Answer:
I believe its 57.
Step-by-step explanation:
180-66=57.
57+57+66=180
Answer:
3a. 8t + 12c = 72
3b. t + c = 7
Step-by-step explanation:
number of tapes is t
number of Cds is c
so 8t + 12c = 72
and t + c = 7
so t = 7 - c
replace t = 7 - c in to the first equation
8(7 - c) + 12c = 72
56 - 8c + 12c = 72
4c = 72 - 56 = 16
c = 4
if c = 4, then t = 7 - c = 7 - 4 = 3
<span>Four pounds of apples cost $1.96
so each pound cost: $1.96 / 4 = $0.49 or 49 cents
hope it helps</span>
Answer:
hi ,your answer is correct
U got it right.
last option
............
