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The ratio of teachers to students at a school is 3:74. There are 2,500 students at the school. About how many teachers are at the school?

A35

B100

C300

D600

Verified Answer :

AL2006


                                   Teachers / Students  =  3 / 74

                                      Teachers  /  2,500  =  3 / 74

To solve a proportion,
you cross-multiply:            Teachers x 74  =  2,500 x 3

Divide each side by  74 :     Teachers  =  2,500 x 3 / 74

                                                                  =  101.4     ===>  101 teachers                                     

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