SOLUTION: Together, Carmen Molini and Jay McCarroll can prepare a catered dinner in 20 hours. Working alone, Carmen can do the job 5 hours faster than Jay. Find the time that each person tak
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Question 170169This question is from textbook
: Together, Carmen Molini and Jay McCarroll can prepare a catered dinner in 20 hours. Working alone, Carmen can do the job 5 hours faster than Jay. Find the time that each person takes to prepare a catered dinner. Round to the nearest tenth
This question is from textbook
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
together, each person does some fraction of the whole job, based on their individual times
let x=Carmen's time, so x+5=Jay's time
__ multiplying by x(x+5) __ 20x+100+20x=x^2+5x
subtracting 40x+100 __ 0=x^2-35x-100 __ use quadratic formula to find x
ANSWER BELOW
X=37.7
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