Question

Find the ratio of each of the following in simplest form
2.1 m to 1.2 m
1 minute to 15 second

Answer 1

the answer of 2.1m to 1.2m is 7:4

1 minute to 15 sec answer is- so at up its the answer given

Answer 2

Ratio means we need to compare but in the same unit.

a) 2.1 m to 1.2 m

 21             10              7

--------  X   -------- =     -------

 12             10               4

Hence, the ratio is 7:4(the ratio is 7 is to 4)

b) 1 minute to 15 second

1 minute=60 second

(convert into lowest terms)

So, 60            4

    --------  = ----------

       50            1

Hence, the ratio is 4:1(the ratio is 4 is to 1)

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