Question

will medal.
Solve the problem and explain how estimation could be used to make sure the answer is reasonable.

Olivia bought some bananas for $3.55 and some ice cream for $3.25.

About how much change did Olivia get from $10.00?

Answer 1

A.
Answer: Olivia got $3.20 in change.
Estimation: 3.55 + 3.25 is about 7.
$10 – $7 = $3
Olivia got about $3 in change.

B.
Answer: Olivia got $3.50 in change.
Estimation: 3.55 + 3.25 is about 7.
$7 ÷ 2 = $3.50
Olivia got about $3.50 in change.

C.
Answer: Olivia got $16.80 in change.
Estimation: 3.55 + 3.25 is about 7.
$10 + $7 = $17
Olivia got about $17 in change.

Answer 2

well, I guess you could round up 3.60+3.30 = 6.90~ then subtract this from 10

Answer 3

The answer is A.