The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales? they earned $128 from the t-shirts. they earned $144 from the t-shirts. they earned $360 from the t-shirts. they earned $720 from the t-shirts.

They earned $720 from the T-shirts.

Step-by-step explanation:

Given : The number of T-shirts sold was 3 times the number of hats.

The profit was $5 for each T-shirt sold and $2.50 for each hat sold.

The students raised $840 for the charity.

Let x denotes the number of T-shirts sold and y denotes the number of hats sold.

then, we will have the given system :-

It is also given that they used the system below to analyze their success and found the solution to be (144, 48).

It means x= 144

It means the number of t-shirt sold = 144

The amount they earn from t-shirt =

Hence, they earn $720 from the T-shirts.

725 parts per hour.

step-by-step explanation:

hi there, this answer is actually really simple.

you can set it up as 1450/2 or 3625/5 to find the answer.

they want to know how much per hour is being made, so you just divide.

1450/2=725.

and that's how many are produced per hour.

hope this . : )