Mike, a salvation army bell ringer, has 20% as many quarters as nickels in his cup. if mike has $6.00 in quarters and nickels, how many nickels does he have?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.