Question
Alisha has 11 coins in her pocket. She only has quarters and dimes. The coins in her pocket add up to $2. How many quarters does she have? How many dimes?
Answers
bobpursley
11=Q+D
10D+25Q=200
solve for Q, and D, I assume you can do that by substitution.
10D+25Q=200
solve for Q, and D, I assume you can do that by substitution.
Reiny
number of quarters --- x
number of dimes ------11-x
25x + 10(11-x) = 200
solve for x, and all will be revealed to you
number of dimes ------11-x
25x + 10(11-x) = 200
solve for x, and all will be revealed to you