Math
Which ratios form a proportion?
a. 4/9, 12/25
b. 3/7, 18/42
c. 5/11, 20/45
d. 5/8, 15/25
Which ratio forms a proportion with 18/30?
a. 20/35
b. 50/90
c. 36/48
d. 60/100
Which proportion has cross products of 5 x 24 and 8 x 15?
a. 5/8=15/24
b. 5/24=8/15
c. 8/24=15/5
d. 15/8=5/24

They are all the same. I will do the middle one.
(18/30) = 3/5 if you divide top and bottom by 6
what other one is 3/5?
20/35 = 4/7
50/90 = 5/9
36/48 = 3/4
60/100 = 6/10 = 3/5 whew, finally
posted by Damon

@Damon Thanks
posted by itsssjustme.ee

Can someone just say the answers?
posted by Banana

the answers for the QC for conexus lesson "proportions"
1.B
2.D
3.A
and if you need the practice answers are
1.C
2.A
3.B
4.C
5.Bposted by helpers

@helper its actually 1.A 2.D 3. A
posted by correction

@correction helpers is right
posted by heaven04

Y'all all wrong. The first Q is supposed to have 2 answers, LOL, your incorrect.
posted by Unknown
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