New Baby

Michelle's mom just had a new baby. She thought it was interesting to find out that she is 14 years older than the baby and she weighs 14 times as much as the newborn! She also found out that babies weights are reported in pounds and ounces.

Michelle weighs 105 lbs and 0 ounces. She does the following calculation:

The calculation is correct, but the answer is not. What does 7.5 mean? 

What is the final answer?

Repeating Digits

Lily was trying to figure out the decimal equivalents of some fractions. She figured out that one third (1/3) could be calculated by doing 1 divided by 3 on her calculator.

A bunch of repeated threes can be represented like this:

Now Lily does the same for finding two thirds. She does 2 divided by 3 on her calculator and gets this:

The calculation is correct, but the answer is not complete. How do you write this? 

What does the 7 at the end mean?

Gas Prices

Regular gas costs $3.099 per gallon. How much does it cost for 12 gallons?

The calculation is correct, but the answer is not. What does 37.188 mean? 

What is the final answer?

Solving for x

Solve for x:

x^2 = 17.64

The calculation is correct, but the answer is not complete. What does x equal? 

What is the final answer?

The field trip

There are 102 students. 30 students can fit on a bus.

How many buses do you need for the field trip?

The calculation is correct, but the answer is not. What does 3.4 mean? What is the final answer?