Adding and Subtracting decimals

Lia and James went to the movies. The tickets are $3.00 each.  Lia bought popcorn and a slushy for $8.50 together. James bought a slushy and nachos $12.00 together. How much money did they spend total?

• 26.50
• 2.650
• 3.00
• 53.65

Luis bought a bottle of water at the gym for $2.85, including tax. If he paid for it with a $5.00 bill, how much change should he have received?

• $2.15

• $3.15

• $3.85

• $7.85

Find the sum 3.35 + 1.4 + 3.65

• 8.9
• 8.22
• 8.43
• 8.4

 $10\ -\ .65\ =$  

• 10.65

• 8.35

• 9.35

• 9.45

Giselle weighed two different samples of chemical in her science class. The first sample weighed 39.05 grams. The second weighed 56.7 grams. She then mixed the two chemicals together. What was the weight of the combined samples?

• 17.65 grams

• 44.72 grams

• 85.85 grams

• 95.75 grams

Matt's wining time in the 200-meter sprint was 26.03 seconds. Ryan's time was 0.45 seconds slower that Matt's. What was Ryan's time?

• 26.58 seconds

• 26.48 seconds

• 25.58 seconds

• 25.48 seconds

Garrett checked one of his funds online. He saw that it had gone up by $427.37. The fund had $5,348.18 before it went up. How much is in Garrett's fund now?

• $4,920.81

• $4,921.81

• $5,765.45

• $5,775.55

Maria bought a bicycle lock with a $10.00 bill. The bicycle lock cost $6.27. How much change did Maria get back?

• $3.73

• $4.27

• $14.83

• $16.27

Johanna worked 4 hours at a bookstore and earned $30.20. She also works 3 hours at a car wash and earned $24.45. How much did she earn in all?

• $47.65

• $50.65

• $54.65

• $61.65

Timmy ran in two races. He completed his first race in 15.674 seconds. He completed his second race in 14.978 seconds. How much faster did Timmy run in the second race?

• 0.696 seconds

• 0.715 seconds

• 0.696 minutes

• 0.715 minutes