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2 March, 20:34

1. determine whether the ratios are proportional

2/4 and 20/36

yes or no

2. determine whether the ratios are proportional

3/18 and 2/9

yes or no

3. which of the follow is NOT equivalent to the ratio:

6/10

3/5

72/120

18/30

36/40

4. which of the follow is NOT equivalent to the ratio:

7/3

21/6

28/12

35/15

49/21

5. which of the follow is NOT equivalent to the ratio:

50/75

10/15

2/3

5/7

6/9

+5
Answers (1)
  1. 2 March, 23:27
    0
    Ratios are nothing but equivalent fractions

    2/4 and 20/36 ... 20/36 reduces to 5/9 ... not proportional

    3/18 and 2/9 ... 3/18 reduces to 1/6 ... not proportional

    6/10 = 3/5 = 18/30 = 72/120 ... so 36/40 is not equivalent

    7/3 = 28/12 = 35/15 = 49/21 ... so 21/6 is not equivalent

    50/75 = 10/15 = 2/3 = 6/9 ... so 5/7 is not equivalent
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