Answer:
x=17/4
Step-by-step explanation:
(x-3)/(x+2)=1/5
cross product
1(x+2)=5(x-3)
x+2=5x-15
5x-x-15=2
4x-15=2
4x=2+15
4x=17
x=17/4
Answer:
4:6
Step-by-step explanation:
Ratios and fractions can be written interchangably
Answer:
9
Step-by-step explanation:
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Check the picture below
it can't be -3... since is width unit, so it has to be the other
and recall that length = 2w - 5