5×2+8-4+1=15
cause
5×2=10
10+8=18
18-4=14
14+1=15
Value + value = 14 dollars
0.65x + 10-0.40x = 14
0.25x = 4
x = 16
25-x =9
a = 46c....for c
a/46 = c
322 = 46c
322/46 = c
7 = c.....7 circuits are required
Answer:
A cube number is a number multiplied by itself 3 times.
Step-by-step explanation:
A cubed number looks like this: 
The x is whatever number is being cubed.