Answer:
x = 5
Step-by-step explanation:
-3x = 15
---- ----
-3 -3
I believe the answer is 24
a=1/2 bh
b=8
h=6
8*6*1/2=24
10 is irrelevant
for 15 cups of popcorn kernels, oil used = 5 cups
so, for for 27 cups of popcorn kernels, oil used = (5/15)* 27 cups
= 9 cups of oil