Answer:
the first one is x=3
Step-by-step explanation:
Answer:
(y - x)/(y + x)
Step-by-step explanation:
(1/x - 1/y)/(1/x + 1/y) =
= (1/x - 1/y)/(1/x + 1/y) × (xy)/(xy)
= (y - x)/(y + x)
The answer is C. 250.80
change the percent to a decimal (0.20) and multiply 1,254x0.20=250.80
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