Which is a valid proportion? 4/18=6/27 4/6=16/36 3/4=9/12 5/9=8/12 Check all that apply

Given

Hope it helps..

Step-by-step explanation:

The options that apply are:

4/18= 6/27

3/4= 9/12

How to check:

Multiple the middle two terms

Then divide the product by one of the outer terms

If you get the other outer term, its a valid proportion

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.