Question

PROBLEM #2: Jane has a gift card with a balance of $100. She buys several t-shirts that cost $15 each. After the purchases, her gift card balance is $10. Write an equation to help find out how many t-shirts Jane bought.

Answer 1

100/15=6.6
6*15=90
Which leaves her with $10

Answer 2

100 -15x = 10
x=6

she bought 6 shirts.