Question

Vonda has 3 more quarters than dimes in her pocket. She has no other coins. The total value of her coins is $1.80. How many quarters and dimes does Vonda have?

Answer 1

0.10x+0.25(x+3)=1.80 
0.10x+0.25x+0.75=1.80 
0.35x=1.80-0.75=1.05 
x=1.05/0.35=3 
Therefore,Vonda has 3 dimes and 6 quarters with her