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Mary and her brother John
Collect foreign coins.
Mary has three times the number of coins that John has. Together they have 180 foreign coins.
Find how many coins Mary has




Solve



Will give brianlist



Math

Respuesta :

PriyAnjalee

let, x be the no of coins then according to question.Mary have 3x no of coins and John have x no of coins..

now, 3x+x=180

or,4x=180

or,x=180/4

therefore, x= 45

thus mary has 3×45=135 no of coins...

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