Question

Central Middle School has 2,470 students and the ratio of students to teachers is 26:1 How many new teachers are needed to reduce this ratio to 19:1?

Answer 1

@HomeschoolGrad can you help me please

Answer 2

Here I got dis

Answer 3

set up your proportion first

Answer 4

2470/x=26/1
cross multiply
2470=26x
2470/26=x
95=x

Answer 5

now to change it to 19:1

Answer 6

2470/x=19:1
cross multiply again
2470=19x
130=x

Answer 7

You have 95 teachers and need 130
130-95=35

you need 35 new teachers

Answer 8

so i just divide 2470 to 26 and get 95 and for the second one i divide 2470 to 19?

Answer 9

Thank you!!

Answer 10

You're welcome:) But do you understand why you divide that?
becaus of proportions

Answer 11

yes I had the right answer but i was just making sure i was doing it correctly

Answer 12

ok then yes