Question 282220
Let the number of dimes be x

the number of nickels be y

10x+5y= 565   ( cents)

(10)*2x+(5)*(y+20) = 1015

20x+5y+100= 1015

-10x-100=565-1015

-10x=-350

x=35  which is number of dimes

y=43 number of nickels