Question

There are 22 students on natalies class. new reading books cost $7 each. Natalies class raised $50 washing cars. If there are 2 teachers in nautilies

class, write and evaluate an expression to show how much more each teacher will have to pay to buy the new book

Answer 1

Since 22 multiplied by 7 is equal to 154$ and the class has already raised 50$ you are still left with 104$ to pay . Sice there are 2 teachers you would divide 104$ by 2 and end up with 52$ .... Each teacher would have to pay 54$

Answer 2

22*7 = 50 + 2x (22*7 is the total cost for all students, and the other side needs to match that cost)

evaluate:
22*7 = 50 + 2x
154 = 50 + 2x
104 = 2x
52 = x

Each teacher will have to pay $52.