caitlyncarote caitlyncarote

02-12-2020
Mathematics

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david is 5 years older than jonathan. in 6 years, double jonathans age added to quadruple davids age will equal to 128. what is each of their current ages?

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Antoinelastreet Antoinelastreet

02-12-2020

Answer:

David a 17 ans et Jonathan a 12 ans

Step-by-step explanation:

David aura 23 ans dans 6 ans et Jonathan aura 18 ans dans 6 ans

Donc 23 * 4 = 92 et 18*2 = 36 comme 92+36=128 on trouve leurs ages dans 6 ans et on soustrait ensuite 6 à leurs ages dans 6 ans pour trouver leurs ages aujourd'hui

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