Answer:
42
Step-by-step explanation:
Answer:
w=4
Step-by-step explanation:
18+3w=30
3w=30-18
3w=12
w=4
We want to calculate the following

Using the properties of exponents, we have that

So we have

So, if factor 10^-4 on the right side, we have

Note that

Then,

So we have that
Its about 13.64% multiply 4.75 by 100 then divide by 5.5 then subtract that number from 100