Question

7 t-shirts and a hat costs £47.00

5 t-shirts and a hat costs £35.00.
How much does a t-shirt cost?
How much does a hat cost?

Answer 1

Shirts are 6

Hats are 5

Explanation:

This is a system of equations. Set up the equations first.

7s + h = 47

5s + h = 35

----------------------- Subtract the equations to eliminate the h variable

2s = 12 Divide by 2 to solve

s = 6 Each hat is 6

Plug the 6 in for s in either of the original equations

7(6) + h = 47

42 + h = 47 Subtract 42 from both sides

h = 5