Answered

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Which ratio is NOT equivalent to 10:20?

1:2
50:100
40:70
30:60

Sagot :

Answer:

40 : 70 is not equivalent

Step-by-step explanation:

If a ratio is a multiple or divisor of its parts then it is equivalent

10 : 20 ( divide both parts by 10 )

= 1 : 2 ← equivalent ratio

10 : 20 ( multiply both parts by 5 )

50 : 100 ← equivalent ratio

10 : 20 ( multiply both parts by 3 )

30 : 60 ← equivalent ratio

10 : 20

We cannot multiply the parts by a common multiple to obtain 40 : 70

40 : 70 is not an equivalent ratio

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