Problema Solution
One day a store sold 14 sweatshirts. White ones cost $9.95 and yellow ones cost $13.50. In all, $185.45 worth of shirts were sol. How many of each color were sold?
Answer provided by our tutors
Let
x = the number of white shirts sold
y = the number of yellow shirts sold
One day a store sold 14 sweatshirts:
x + y = 14
In all, $185.45 worth of shirts were sold:
9.95x + 13.50y = 185.45
We have the following system of equations:
x + y = 14
9.95x + 13.50y = 185.45
........
........
x = 1 white shirt
y = 13 yellow shirts
There were 1 white and 13 yellow shirts sold.