SOLUTION: how to solve this problem:
A class contributed $19.00 in quarters and dimes to the Red Cross. In all their 100 coins. How many were there of each card?
Algebra ->
Customizable Word Problem Solvers
-> Finance
-> SOLUTION: how to solve this problem:
A class contributed $19.00 in quarters and dimes to the Red Cross. In all their 100 coins. How many were there of each card?
Log On
Question 1078087: how to solve this problem:
A class contributed $19.00 in quarters and dimes to the Red Cross. In all their 100 coins. How many were there of each card? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of dimes
Let = number of quarters
---------------------------------
(1)
(2) ( in cents )
-----------------------------------
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
-------------------------
and
(1)
(1)
(1)
-----------------------
There are 40 dimes and 60 quarters
-----------------------------------
check:
(2)
(2)
(2)
(2)
OK
