Problema Solution
working together john and nico can paint a car in 12hours if it takes john 2/3 as long as it takes nico to paint a car in 12 hours find the number of days nico can do the tast alone
Answer provided by our tutors
Let
x = the hours Nico needs to paint the car alone
1/x car per hour is Nico's rate
(2/3)x = the hours John needs to paint the car alone
1/((2/3)x) = 3/(2x) car per hour is John's rate
1/12 =car per hour is the together rate of Nico and John
1/x + 3/(2x) = 1/12
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click here to see the equation solved for x
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x = 30 hr
Nico needs 30 hours to paint the car alone.