1.Which ratios form a proportion

A.3/15,12/55 B.8/24,12/35 C.5/18,25/90D.4/11,16/25
2.Which ratio forms a proportion with 9/15
A.6/10B.16/21C.36/50D.45/70

9 answers

A.3/15,12/55 No. 55 is not divisible by 15.

B.8/24,12/35 No

C.5/18,25/90 Yes. 25/90 = 5/18

D.4/11,16/25 No.

If you try to solve the other problem, I'll be glad to check it.
i think d
Why do you think D?

Does 9/15 = 45/70?
no sry im not good at math
AT ALL. ill try again
OH i know its A
in 10 is 66% of 15
and 6 is 66% of 9
Right!

See -- you're not so bad at math. You remembered the way to solve this problem.
ok thx see ya
issac is wrong mrs sue is right
Which pair of ratios forms a proportion?

A. 5/12,7/15
B. 12/16,15/20
C. 8/32,1/3
D. 9/16,3/8
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