Question

Every month, Edmund saves some money and puts the money into a bag. The bag now contains some $2, $5 and $10 notes with the total value of $3782. There are 312 pieces of $10 notes and 58 pieces of $5 notes. How many pieces of $2 notes are there?​

Answer 1

186

Explanation:

`2x+10(312)+58(5)=3782`

`2x+3410=3782`

`2x=372`

`x=186`