Unit 6 lesson 6
posted 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

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
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