Asked by Gladys
Betty paint twice as fast as Dan. when working together Betty and Dan can paint 2400 square feet in 4 hours,another employee,sue joined their painting team.working together Dan,Betty and Sue can paint 36000 square feet in 3 hours.
if sue works alone,how many square feet can she paint in 4 hours and 27 minutes?
if sue works alone,how many square feet can she paint in 4 hours and 27 minutes?
Answers
Answered by
Steve
We want their rate of painting in ft^2/hr. Thus
b = 2d
d + b = 2400/4
d + b + s = 3600/3
Solve for s, and then find
s * 4.45
b = 2d
d + b = 2400/4
d + b + s = 3600/3
Solve for s, and then find
s * 4.45
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