Kelli had $2.25 in dimes and nickels. She had 4 times as many dimes as nickels. How many dimes does Kelli have?

Question

Mathematics

Monica

23 May, 22:18

Kelli had $2.25 in dimes and nickels. She had 4 times as many dimes as nickels. How many dimes does Kelli have?

+5

Answers (1)

Know the Answer?

Jace · Answer 1

A).05n +.10d = 2.25

B) 4n = d

Multiplying A) by 10

A).5n + d = 22.50 then adding it to B)

B) 4n - d = 0

4.5n = 22.50

n = 22.50 / 4.50

n = 5

d = 20

5 nickels (25 cents) + (20 dimes) = 2.25

correct!