SOLUTION: p & q can harvest a filed in 5 &7 days respectively . after p has worked for 3 days , he is joined by q. in how many more days will the work be completed?

Question 838644: p & q can harvest a filed in 5 &7 days respectively . after p has worked for 3 days , he is joined by q. in how many more days will the work be completed?
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
RATES in FIELDS PER DAY
p,
q,

d = how many days that q worked along with p to finish the field
BASIC CONCEPT: R*T=J, where T is time, J is quantity of job, and R is rate of doing the job in jobs per time.

Solve for d.
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