# It costs $7.50 to enter a petting zoo. Each cup of food to feed the animals is$2.50. If you have $12.50, how many cups can you buy? ##### 3 Answers May 30, 2017 #### Answer: You can buy $5$cups of food to feed the animals before running out of money. #### Explanation: To do this simply, we can just count up how many cups we can buy. "starting balance" =$12.50

"after cup " 1 = 12.5 - 2.5 = color(blue)($10.00 "after cup " 2 = 10 - 2.5 = color(blue)($7.50

"after cup " 3 = 7.5 - 2.5 = color(blue)($5.00 "after cup " 4 = 5 - 2.5 = color(blue)($2.50

Pay the entry fee: $12.5-$7.5 = $5 $5 div $2.50 = 2 cups of food can be bought. May 30, 2017 #### Answer: $2 \text{ Cups}$#### Explanation: You start with $12.50, and have to give $7.50 as an entry fee(you must have no friends then) so, you'll be left with, $12.50
-$07.50 $- - -$$5.00
Each cup costs $2.50, so, $1 \text{st}$cup $5.00
-$2.50 $- - -$$2.50
$2 \text{nd}$ cup
$2.50 -$2.50
$- - -$
$0.00 Therefore, $2\$ cups
And, no money in your pocket