GED Math : Other Data Calculations

Study concepts, example questions & explanations for GED Math

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Example Questions

Example Question #163 : Statistics

A cheeseburger normally cost . Wednesdays it is discounted . How much is a cheeseburger on Wednesday (in dollars and cents)?

Possible Answers:

Correct answer:

Explanation:

To find the cost of the cheeseburger after the discount is applied we need to first find out how much 20% of 3.50 is.

Thus the discount is 70 cents, or .

Now to find the new price we will need to subtract the discount from the original amount.

Therefore the price of the cheeseburger on Wednesday is .

Example Question #164 : Statistics

Cynthia earned  in 2014. She received a bonus of . What percent of her salary did she receive in bonus?

Possible Answers:

Correct answer:

Explanation:

To find what percentage of her salary her bonus was we need to set up a proportion.

 .

Now we cross multiply and divide to get our percentage.

.

Example Question #165 : Statistics

For a treat, Sandy the dog ate  slices of roast beef every day. How many slices would Jeff have to buy every week for Sandy?

Possible Answers:

Correct answer:

Explanation:

To find out how many slices of roast beef Jeff needs to buy in a week we first need to calculate how many slices of roast beef Sandy eats in a week.

We know that she eats 3 slices per day. Using this we can create a unit multiplier to find out how many slices she eats in a week. 

Since there are 7 days in a week the convertion becomes,

.

Example Question #166 : Statistics

For in state residents, annual tuition is  for the 2014-2015 school year. For non-residents, it is . About how many times more is non-resident tuition than resident tuition?

Possible Answers:

Correct answer:

Explanation:

To find out how many times more the non-resident tuition is compared to the in state resident tuition we need to create a proportion.

First we will round out numbers  is about  and  is about .

Now we set up our fraction:

.

Example Question #171 : Statistics

In 2014 the baseball team won the World Series. They won  games in the regular season,  game in the wild card round,  games in the Division Series,  games in the Championship Series and  games in the World Series. How many games did they win overall?

Possible Answers:

Correct answer:

Explanation:

To find the total number of games the baseball team won we need to add all of the games they won together.

Example Question #172 : Statistics

In 2014 a professional sport drafted  players out of college. About  players were eligible for the draft. What percentage of eligible players were drafted?

Possible Answers:

Correct answer:

Explanation:

To find the percentage of eligible players that were drafted we need to create a proportion.

Now we need to cross multiply and divide to solve the problem.

Example Question #173 : Statistics

To becomes president of the United States you must win one more than half the toital number of electoral votes (each state is alloted a certain number of votes based on population). There are  votes available. What is the minimum number of electoral votes needed to win?

Possible Answers:

Correct answer:

Explanation:

To find the minimum numer of votes needed to win we can set up the following equation.

Since we know our number of votes is 538 we get,

Example Question #174 : Statistics

A new donut shop is opening! As an introductory offer they are selling donuts for  a dozen. John has . How many donuts can he buy?

Possible Answers:

Correct answer:

Explanation:

To find out how many donuts John can buy we first need to see how many dozens he can buy with his $18.

To find this we use the following fraction,

.

From here we multiply each dozen by the number of donuts in a dozen which is 12.

.

Therefore, John can buy 72 donuts.

Example Question #175 : Statistics

Country A has the largest population on Earth, with  billion people. Country B is next with  billion people. How many more people does Country A have than Country B?

Possible Answers:

Correct answer:

Explanation:

To find how many more people Country A has than B we need to subtract the number of people in Country B from that in Country A.

From here we will convert the units from billion to million.

0.3 billion is equivalent to 300,000,000

Example Question #1 : Other Data Calculations

The highest paid professional athlete in the US in 2014 earned about  million over the  games. About how much did he earn per game (in dollars)?

Possible Answers:

Correct answer:

Explanation:

To find how much the athlete earned per game we need to set up a fraction.

$31.9 million is about $32,000,000 and 82 games rounds to 80.

So .

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