Some teachers may show students how to solve problems like these with a proportion:
General Form: part/whole = percent/100
Our problem: w/500 = 28/100
Cross Multiply: 100w = 28(500)
Simplify: 100w = 14000
Divide by 100: w = 140
Lily G.
asked 12/17/19Some teachers may show students how to solve problems like these with a proportion:
General Form: part/whole = percent/100
Our problem: w/500 = 28/100
Cross Multiply: 100w = 28(500)
Simplify: 100w = 14000
Divide by 100: w = 140
W=.28*500=140
Note: a percent is a fraction the denominator of which is 100!
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