Question

90/x=15/2.1
a.14.7
b.16.8
c.12.6
d.10.5

Answer 1

you can do this.....this is a proportion and you have to cross multiply. Try it

Answer 2

ohkay. lets I know 90*2.1 is 189?

Answer 3

then 15x

Answer 4

so 15x = 189
now divide both sides by 15

Answer 5

ohkay 15x/15 cancels each other out. 189/15 is 12.6!(:

Answer 6

see...I told you that you could do this. Very good.

Answer 7

lol thank you(: that was really easy lol. i just couldn't remember for a minute.

Answer 8

it will come easy to you the more you do it :)