5.4b math

Front

What is the equation to find the total cost of babysitting for 20 hours at $8.00 per hour?

Back

The equation is: x = 284 + (8 × 20) where x is the total cost of the smart tablet.

Front

If Christina has $284 and earns $8.00 per hour babysitting for 20 hours, how much money does she have in total?

Back

Total money = $284 + (8 × 20) = $284 + $160 = $444.

Front

What is the total number of cookies Mashal baked if she baked 4 dozen cookies?

Back

Mashal baked 4 dozen cookies, which is 4 × 12 = 48 cookies.

Front

If 8 cookies broke and 3 were eaten, how many cookies does Mashal have left?

Back

Mashal has 48 - 8 - 3 = 37 cookies left.

Front

What is the cost of gasoline for Mr. Singh's car if he purchased 15 gallons at $3.60 per gallon?

Back

Cost = 15 × 3.60 = $54.00.

Front

What is the total cost of gasoline for both cars if Mr. Singh purchased 15 gallons for $3.60 and 13 gallons for $3.50?

Back

Total cost = (3.60 × 15) + (3.50 × 13) = $54.00 + $45.50 = $99.50.

Front

How do you calculate the total number of cellphone cases made in 31 days if a company makes 626 cases a day?

Back

Total cases = 626 × 31 = 19406 cases.

Front

What is the formula to find the total cost of gasoline for two cars?

Back

The formula is: g = (3.60 × 15) + (3.50 × 13).

Front

What does the variable 'x' represent in the equation x = 284 + (8 × 20)?

Back

The variable 'x' represents the total cost of the smart tablet.

Front

If a company makes 626 cellphone cases a day, how many cases do they make in one week (7 days)?

Back

Total cases in one week = 626 × 7 = 4382 cases.