You are given $893 in one, five, ten dollar bills. There are twice as many five dollar bills as there are ones and tens combined. How many bills of each type are there?
when you translate the problem into mathemathical equation it will give x is the number of 1$ y is the number of 5$ z is the number of 10$ 2y=z+z x+5y+10z=893 then you solve the equation and get the answers.
