A purchase of 156
pounds of wood costs
$
.
Part B
pounds of wood cost
$
208.80
.

A purchase of

156
pounds of wood costs
$
.
Part B
pounds of wood cost
$
208.80
.

Solved

Show answers

Ответ:

melissacornut

09.11.2022

Mathematics

If (a+b)/(a-b)=c, then (a-b)/(a+b)=1/c
(2a-2b)/(5a+5b)=2(a-b)/5(a+b)=2/5 *1/c=2/(5c)

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A purchase of 156 pounds of wood costs $ . Part B pounds of wood cost $ 208.80 .