1/4 of marianne’s height is equal to 2/5 of jean-luc’s height. find the ratio of marianne’s height to jean-luc’s height.

Let Marianne's height be represented by = x

Jean-Luc’s height be represented by = y

Given is : 1/4 of Marianne’s height is equal to 2/5 of Jean-Luc’s height.

We have to the ratio of Marianne’s height to Jean-Luc’s height i.e

So, ratio becomes :

Hence, x:y = 8:5

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step-by-step explanation:

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it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.