4a-8=28
add 8 to both sides to start to isolate the variable (a)
-8+8 cancels each other out
28+8=36
4a=36
to completely isolate the variable divide both sides by 4
4a÷4=a
36÷4=9
a=9
Answer:
a
Step-by-step explanation:
We first require the fraction of English to Total
Total = 84 + 38 + 18 + 47 + 69 = 256 , then
× 100% ≈ 27% ( nearest whole number )
Answer:
If he is traveling over 85 miles its cheaper to use company a
Step-by-step explanation:
137-65= 72
72÷0.85= 84.7058823529= 85
So after 85 miles company A is cheaper
Answer:
it's liniear
Step-by-step explanation:
since it is going up by the same amount every time