A student has a number of $40 and $ 80 savings bonds to use for part otf their college expence.The total value of bonds is $1160.There are 5 more $40 bonds than $80 bonds.How many of each type of bonds she have?

Answer 1

40 x + 80 y = 1160
x - y = 5

Solve for x (the # of $40 bonds) and y(the # of $80 bonds)