Problema Solution
Sharon bought 5 children's books and 3 children's videos for $52.60. Lauren bought 4 children's books and 2 children's videos for $38.90. How much did each children's book cost?
Answer provided by our tutors
let
b = the cost of one book, b>0
v = the cost of one video, v>0
Sharon bought 5 children's books and 3 children's videos for $52.60
5b + 3v = 52.60
Lauren bought 4 children's books and 2 children's videos for $38.90
4b + 2v = 38.90
by solving the system of equations
5b + 3v = 52.60
4b + 2v = 38.90
we find
b = $5.75
v = $7.95
click here to see the step by step solution of the system of equations
the cost of the children's book was $5.75.