Joan and Kylie are shopping at the mall. Joan buys a pack of socks for $7. She also buys nine T-shirts, each marked at the same price. She spends a total of $79. Kylie buys a pack of water balloons for $3.
She also buys seven t-shirts, each marked at the same price. Kylie spends a total of $59. Identify
which equation represents Joan's purchases and which one represents Kylie's purchase.
9.r + 7 = 79
I Select)
70 + 9 = 79
| Select)
73 + 3 = 59
| Select ]
3x + 7 = 59
| Select)