Answer:

Step-by-step explanation:
Well you can represent percentages as decimals, by dividing the percentage by 100. This gives us the fraction: 
We can simplify the fraction, by dividing both the numerator and denominator by 5

4x4x4
4x4=16
16x4=64
Answer: 64
The answer is 14x + 11.
You just have to add the two equations so you have 4x + 13 + 10x - 2
then simplify.
#2 9/10÷ 1/2=4/10 and number 3 is 2/4
9 divided by 3 = 3 3divided by 3 = 1 1 divided by 3 = 1/3 so 1/3 divided by 3=1/9