Paul bought 9 total shirts for a total of $72. tee shirts cost $10 and long sleeve shirts cost $7. how many of each type of shirt did he buy?

Paul bought 3 Tee shirts and 6 Shirts.

Step-by-step explanation:

Given : Paul bought 9 total shirts for a total of $72.

           Tee shirts cost $10 and long sleeve shirts cost $7.

To Find: How many of each type of shirt did he buy?

Solution:

Let x be the number of Tee

Let y be the number of long sleeve shirts

Now we are given that he bought 9 total shirts

So,  --1

Cost of 1 Tee shirt = $10

So, Cost of x T shirts =10x

Cost of y long sleeve shirts = 7y

Since we are given that Paul bought 9 total shirts for a total of $72

So,Equation becomes:   --2

Solving 1 and 2

Substitute the value of x from 1 in 2

Now substitute the value of y in 1

So, Paul bought 3 Tee shirts and 6 Shirts.

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !