Question

Whether the given ratios 5 : 7 and 15 : 21 are in proportion​

Answer 1

Answer:

yes ,these are in proportion

Answer 2

Answer:

No it is not in proportion.

Step-by-step explanation:

5:7::15:21

through extreme and middle term we get ,

5/7=7/15

5×15=7×21

75=147

since , it is not equal

hence not in proportion

regards.

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