Question

molly has nickels and dimes. in total,she has 500 coins that are worth $40.40. how many nickels does she have? how many dimes?

Answer 1

Dear Student,

◆ Answer -

Molly had 192 nickels and 308 dimes.

● Explanation -

We know that -

1 nickel = $ 0.05

1 dime = $ 0.1

Let x and y be no if nickels and dimes Molly have.

x + y = 500 ...(1)

0.05x + 0.1x = 40.40

x + 2y = 808 ...(2)

Subtracting (1) from (2),

(x+2y) - (x+y) = 808 - 500

y = 308

But,

x = 500 - y

x = 500 - 308

x = 192

Hence, Molly had 192 nickels and 308 dimes.

Thanks dear. Hope this helps you..