Answer:
or 
Step-by-step explanation:
<u>Step 1: Cross Multiply</u>
<u />


<u>Step 2: Divide both sides by 2.35</u>
<u />
or 
Answer:
or 
The percent is 85.71% so the rounded answer would be be 86%
Answer:
x = -1
Step-by-step explanation:
AB + BC = AC = 28
the way from A to C goes through B.
so, the total way of A to C is the sum of the way from A to B and then from B to C.
=>
(5x + 10) + (2x + 25) = 28
7x + 35 = 28
7x = -7
x = -1