Question

Joan and Kylie are shopping at the mall. Joan buys a pack of socks for $7. She also buys nineT-shirts, each marked at the same price. She spends a total of $79. Kylie buys a pack of waterballoons for $3. She also buys seven t-shirts, each marked at the same price. Kylie spends atotal of $59. Identify which equation represents Joan's purchases and which one representsKylie's purchase.9x + 7 = 797x + 9 = 797x + 3 = 593x + 7 = 59

Answer 1

For the information given in the statement you have:

*For Joan

$7+9x=79$

Because the pack of socks is $ 7 and x is the cost of each T-shirt.

*For Kylie

$3+7x=59$

Because the cost of the water balloon package is $3 and x is the cost of each T-shirt.