Asked by Isaac

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


Answered by Ms. Sue
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.
Answered by Isaac
i think d
Answered by Ms. Sue
Why do you think D?

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

See -- you're not so bad at math. You remembered the way to solve this problem.

Answered by Isaac
ok thx see ya
Answered by mathwhiz
issac is wrong mrs sue is right
Answered by papaya
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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