# Jonathan and members of his Spanish Club are going to Costa Rica. He purchases 10 traveler's checks in denominations of $20, and $100, totaling $370. He has twice as many $20 checks as $50 checks. How many of each denomination does he have?

##### 1 Answer

Oct 23, 2016

Let the no. of $50 checks be x

then the no. of $20 checks would be 2x

and the no. of $100 checks would be 10-x-2x=10-3x

Total amount being $370 we can write

So denomination is as follows

The no. of $50 checks =

The no. of $20 checks

The no. of $100 checks