Problema Solution
Mira and Marie sell computers. Last month Mira sold 16 more computers than Marie. Together they sold 56. How many computers did Marie sell?
Answer provided by our tutors
let
x = the number of computers Mira sold
y = the number of computers Marie sold
Last month Mira sold 16 more computers than Marie:
x = y + 16
Together they sold 56:
x + y = 56
by solving the system of equations
x = y + 16
x + y = 56
we find
x = 36 computers
y = 20 computers
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Marie sold 20 computers.