Question

in a school 2/3 of the students learn a language, 2/5 of them learn french. what is the ratio of those who don't learn french.

Answer 1

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Step-by-step explanation:

let the total student be 90

2/3 is not study any language means 1/3 is study language

1/3rd of 90 is 30

30 student are study language

2/5th are study french out of 30 student

2/5th of 30 = 12

so, 12 student are study french out of 90 student

those who not study french 90 - 12 = 78

ratio of who study and not study french language is

78 12

13 2 (divided by 6 of above)

13/15 and 2/15

ratio of study french language is 2/15 and not study french language is 13/15

Answer 2

Total students -2/3

students who learn french -2/5

students who don't learn french- 2/3 -2/5

= 4/15