SOLUTION: The school cafeteria has found that they go through 9 sandwiches for every 7 tickets they sell to the students. Today they have 546 tickets for sale. How many sandwiches do they ne

Algebra ->  Proportions -> SOLUTION: The school cafeteria has found that they go through 9 sandwiches for every 7 tickets they sell to the students. Today they have 546 tickets for sale. How many sandwiches do they ne      Log On


   

Question 317013: The school cafeteria has found that they go through 9 sandwiches for every 7 tickets they sell to the students. Today they have 546 tickets for sale. How many sandwiches do they need to make?

Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
proportions
9%2F7=x%2F546cross multiply
9%28546%29=7xmultiply
4914=7xdivide by 7
702=x
702 sandwiches