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A young boy is growing at a rate of 3.5 cm per month. He is currently 90 cm tall. At that rate, in how many months will the boy grow to a height of 132 cm?
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A young boy is growing at a rate of 3.5 cm per month. He is currently 90 cm tall. At that rate, in how many months will the boy grow to a height of 132 cm?
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Feb 16, 2018
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A young boy is growing at a rate of 3.5 cm per month. He is currently 90 cm tall. At that rate, in how many months will the boy grow to a height of 132 cm?
Mathematics
high-school
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heightnow+heightgrown=132
heightgrown=3.5 times months (m)
heightnow=90
90+3.5m=132
minus 90 both sides
3.5m=42
divide both sides by 3.5
m=12
12 months
SundayMonday
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Feb 18, 2018
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SundayMonday
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3.5x+90=132
-90 -90
3.5x=42
x=12
Kaid
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Feb 20, 2018
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Kaid
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