# Sam received 87 dollars for his birthday. He went to a sporting goods store and bought a baseball glove, baseball, and bat. He had 10 dollars left over, how much did he spent on the baseball gear?

##### 4 Answers

#### Explanation:

$77

#### Explanation:

This can be solved by

#color(blue)"subtracting"# 10 from 87That is 87 - 10 = 77

or by

#color(blue)"counting on" # from 10 to 87

#10to20=color(red)(10)#

#20to30=color(red)(10)#

#30to40=color(red)(10)#

#40to50=color(red)(10)#

#50to60=color(red)(10)#

#60to70=color(red)(10)#

#70to80=color(red)(10)#

#80to87=color(red)(7)# Total spent is then

# = color(red)(10+10+10+10+10+10+10+7)=$77#

He spent $77

#### Explanation:

Although the calculation is very easy, the purpose of this type of question is to be able to interpret 'word sums' and decide on a correct operation.

We are actually looking for "THE DIFFERENCE" between the amount of money he started with and the amount he had at the end.

"DIFFERENCE" means subtract.

He spent $77.

A slightly different way of dealing with subtraction.

#### Explanation:

Received

But

After spending some money he had