9 t-shirts and a hat costs £93.00

4 t-shirts and a hat costs £43.00.

How much does a t-shirt cost?

How much does a hat cost?

Guest Jul 14, 2020

#1**+1 **

9t + h = 93

4t + h = 43 multiply this equation by -2.25 and add it to the first equation

-9t-2.25h = -97 (we are trying to 'eliminate' the 't' then solve for 'h')

-1.25 h = -4

h = L 3

Now yo can use this value of 'h' in one of the equations to solve for 't' ........

ElectricPavlov Jul 14, 2020