Answer:
69.75
69 3/4
Step-by-step explanation:
The first amount would be the original amount as the answer because you are adding and then subtracting the same number. If the increase was 150% then the answer would be 50% more because 150%-100%=50%.
Answer:
15/8= 3+15/8+(x-3)
Step-by-step explanation:
When you multiply exponents like in the problem, you add them together.
So to find the answer, just subtract the final exponent of 'a' from the original.
6-2=4
The answer should be 4
A) 20.9
b) (230 + x) / 12 = 22
230 + x = 264
x = 34 years old