Question

please help i am confused about this one problem

Answer 1

This can be solved quite simply.

Answer 2

12/15 = 8/x
What we are going to do, is cross multiply, and then divide

Answer 3

Cross multiplying can be used as such;;

Answer 4

So, for this case, we will do 8 x 15 = ?

Answer 5

this should yield 120 as your answer from cross multiplying. After this, we will then divide by the remaining number, and in this case, it is 12.

Answer 6

120 / 12 = 10.

Answer 7

Whenever you have proportions trying to find a missing value, just cross multiply, and then divide. This will yield the answer of 'x'.

Answer 8

okay thank you

Answer 9

To check to see if this is correct, just divide 12/15 and 8/10, to see if n=n

Answer 10

Each should yield 0.8. You are welcome. :-)