Problema Solution
Two snowblowers are being used to clear a driveway. The first blower can remove 20 cubic feet per minute and the second blower can remove 30 cubic feet per minute.
(A) write and simplify an expression that gives the number of cubic feet of snow removed in x minutes
(b) find the total number of cubic feet of snow removed in 46 minutes
which expression gives the number of cubic feet of snow removed in X minutes?
Answer provided by our tutors
a)1/20 x +1/ 30 x = 1
2) (20 x 46) + (30 x 46) = 2300 cubic feet