20% of 50 is 10
Half of 50 is 25
25 + 10 = 35
50 -35 = 15
15 of the backpacks were neither pink or blue
Hope this helps :)
Answer:
C
Step-by-step explanation:
The engine should be turned off at t = 1
The detailed and step by step calculation is shown in the attachment below
Since the exponent is on the outside of the paranthesis, you'd have to multiply it by everything on the inside: a^m x b^m