SOLUTION: Rational expression. Solve by using a proportion. The student-teacher ratio for Washington High was reported to be 27.5 to 1. If there are 42 teachers, then how many students a

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Question 49765This question is from textbook
: Rational expression. Solve by using a proportion.
The student-teacher ratio for Washington High was reported to be 27.5 to 1. If there are 42 teachers, then how many students are there?
Thank you!This question is from textbook

Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
Write the given ratio (# of students over # of teachers):
27.5%2F1 Now write the proportion remembering to keep the same order...# of students over the # of teachers. Let x = the required number of students.
27.5%2F1+=+x%2F42 Multiply both sides by 42.
1155+=+x
There are 1155 students.