Should an estimate or the exact answer be calculated? Then do the appropriate calculation.

Mr. Montgomery received a $20 gift card for a coffee shop. He made three purchase of $1.65 each and two more purchases of $3.95 each. How much money was then left on his card?

A.
An estimate is sufficient. There is about $6.00 left on the card.

B.
The exact answer is needed. There is $7.15 left on the card.

Question

Should an estimate or the exact answer be calculated? Then do the appropriate calculation. 

 

Mr. Montgomery received a $20 gift card for a coffee shop. He made three purchase of $1.65 each and two more purchases of $3.95 each. How much money was then left on his card?
	
	
 
A.
	An estimate is sufficient. There is about $6.00 left on the card.
	
 
B.
	The exact answer is needed. There is $7.15 left on the card.

anonymous · Answer

@welshfella

anonymous · Answer

b?

welshfella · Answer

3 purchases of  $1.65  = 4.95
2 * 3.95 = 7.90
total = 12.85
20 - 12.85 = 7.15


i would say b

welshfella · Answer

As its a gift card I would think he'd want to know the exact amount left on it.