# Unit 6 lesson 6

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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

• Unit 6 lesson 6 -

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.

• Unit 6 lesson 6 -

i think d

• Unit 6 lesson 6 -

Why do you think D?

Does 9/15 = 45/70?

• Unit 6 lesson 6 -

no sry im not good at math
AT ALL. ill try again

• Unit 6 lesson 6 -

OH i know its A
in 10 is 66% of 15
and 6 is 66% of 9

• Unit 6 lesson 6 -

Right!

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

• Unit 6 lesson 6 -

ok thx see ya

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