Multi Digit Operations With Decimals

Solve the expression:
$-9\times2.2$

The price of a gallon of gasoline is $2.499. How much does it cost to fill an empty 15-gallon gas tank?

• $36.74

• $37.49

• $37.99

• $38.74

Answer explanation

To fill a 15-gallon tank at $2.499 per gallon, multiply: 15 x 2.499 = $37.485. Rounding to two decimal places gives $37.49, which is the correct answer.

• 15.27

• 17.07

• 17.43

• 39.03

When a puppy was adopted, it weighed 4.5 pounds. Now it weighs 12.25 pounds. How much weight did the puppy gain?

• 6.75 pounds

• 7.75 pounds

• 8.75 pounds

• 9.75 pounds

16.3 - 4.156

• 12.244

• 12.454

• 12.144

• 13.144

20.72 ÷ 8

• 0.259

• 2.59

• 0.625

• 6.2

16.25 × 1.3

• 21.125

• 211.25

• 2112.5

• 21125

Mrs. Tedder-Evans drove 39.6 miles. She drove 2.2 miles each day. How many days did she drive 2.2 miles?

• 41.8 days

• 18 days

• 87.12 days

• 37.4 days

Genesis bought 22 boxes of crayons for $28.16. How much did she pay for each box of crayons?

• $1.28

• $6.16

• $12.80

• $0.13

$54.99 + $4.65 = 

• $59.64

• $95.64

• $50.34

• $58.34