Answer:
9 socks for $8
3 socks at $15
Step-by-step explanation:
117 = (15 * x) + (8 * y)
8*9 = 72
15 * 3 = 45
72+ 45 = 117
9 socks at $8
3 socks at $15
Answer:
x=2.4
Step-by-step explanation:
5·x=5x
5x=12
12/5=2.4
x=2.4
Expression that represents the change from $20 after the purchase of an item that costs d dollars is:
20-d
