t8h9robfladeeajenguy t8h9robfladeeajenguy

19-07-2016
Mathematics

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bindi has a collection of 175 dimes and nickels. the collection is worth $13.30. how to write this equation?

Respuesta :

24-07-2016

Hello,
Let's x the number of dimes
175-x then number of nickels

A dime is $0.10 and a nickel is $0.05.

0.10*x+0.05*(175-x)=13.30
10x-5x=1330-5*175
5x=455
x=91 (dimes) and 175-91=84 nickels

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