Problema Solution
A footwear factory sold 600 pairs of slipper. The number sold at market stalls is twice the number sold at the department stores and the number sold by the foot salesman is one sixth the number sold at market stalls. How many pairs of slippers were sold at market stalls?
Algebraic expression:
Answer provided by our tutors
let
s = the number of pairs of slippers sold at the market stalls
d = the number of pairs of slippers sold at department stores
m = the number of pairs of slippers sold by the foot salesman
A footwear factory sold 600 pairs of slipper"
s + d + m = 600
The number sold at market stalls is twice the number sold at the department stores
s = 2d
the number sold by the foot salesman is one sixth the number sold at market stalls
m = (1/6)s
by solving the system of equations:
s + d + m = 600
s = 2d
m = (1/6)s
we find
s = 360 pairs of slippers
d = 180 pairs of slippers
m = 60 pairs of slippers
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there were 360 pairs of slippers sold at the market stalls.