Question

The least whole number which when subtaracted from both the terms of the ratio

6 : 7 gives a ratio less than 16 : 21 is​

Answer 1

Answer:

Least whole number would be 3.

Step-by-step explanation:

Let the whole number is X.

Now, according to question,

(6 -X) /(7 -X) < 16/21.

21 *(6 -X) < 16 *(7 -X)

126 - 21X < 112 - 16X

126 - 112 < - 16X + 21X

14 < 5X

5X  > 14

X > 2.8

So, Least whole number would be 3.

Hope you understand :)

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