Question

A bag contains n nickels and a quarters worth a total of $40.

Which equation models this information?
A. 0.5n+0.25q = 40
B. n+q= 40
C. 5n+257 = 40
D. 0.05n+ 0.250 = 40

Answer 1

A nickel is worth 0.05 and a quarter is worth 0.25.

Multiply number of nickels by the worth and quarters by their worths. Add together to equal total value:

The equation is:

0.05n + 0.25q = $40