her purchases
4 x 6.58 + 6.68 + 15.80 + 3 x 11.19 + 12.50
= 26.32 + 22.48 + 33.57 + 12.50
= 94.87
she gave 100
she got back : 100 - 94.87 = $5.13
1.6m questions
2.0m answers