SOLUTION: can u please help me on this one:42/y=120/100
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Question 175910: can u please help me on this one:42/y=120/100
Found 2 solutions by jim_thompson5910, Alan3354:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given ratio
Multiply both sides by y
Multiply both sides by 100
Multiply
Divide both sides by 120
Reduce.
So the answer is
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
can u please help me on this one:42/y=120/100
-----------------
42/y=120/100
42/y=12/10
42/y=6/5
Multiply by 5y
42*5 = 6y
6y = 210
y = 35
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A quicker way is to "cross multiply"
42/y=120/100
42*100 = 120y
y = 35
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