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

asked by itsssjustme.ee
  1. 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
  2. @Damon Thanks

    posted by itsssjustme.ee
  3. Can someone just say the answers?

    posted by Banana
  4. 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.B

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

    posted by correction
  6. @correction helpers is right

    posted by heaven04
  7. Y'all all wrong. The first Q is supposed to have 2 answers, LOL, your incorrect.

    posted by Unknown

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