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Inverse both sides


Multiply sides by 2


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To find the percentage of 28 from 70:
28/70=0.4
0.4=40%
Answer:
The number b is bigger than the number a by
of a.
Step-by-step explanation:
1. If the number a is smaller than the number b by 1/5 of b, then

Thus,

2. Consider the expression 

This gives you that the number b is bigger than the number a by
of a.
Answer:
Domain: x < 5
Range: all numbers, -∞, ∞
This is because the problem will be able to be solved with multiple solutions as long as there are no specific values assigned to <em>x. </em>The problem will have a solution from a range of negative infinity to infinity, meaning every number or solution you can think of.