Sandy has $3.75 in change. She has three more quarters than dimes but twice as many nickels as quarters. Ex?

Question

Express the given information as an algebraic expression and simplify.

Answer 1

18 nickels, 9 quarters, 6 dimes

I haven't done algebra in 15 years , I just kind of did it in my head. I knew I needed an even number of nickels  and an odd number of quarters to equal the extra 5 cents,  so 18 and 9 would be my only choice. I couldn't have an odd number of nickels for the 5 cents (.75)  because it would not be twice as many then. You'll have to wait for some one smarter to write it in algebraic form... sorry :o(

(q x 25) + 2q x 5 + ((q - 3)x10) = 375

Answer 2

eh??? uk pounds