During a charity drive, Primary 6 raised 6 times as much money as Primary 1 on the first week. On the second week, Primary 6 raised another $344 while Primary 1 raised another $582. During the entire charity event, Primary 6 raised 2 times as much as Primary 1. What was the total amount raised by Primary 6?
|
Primary 6 (1) |
Primary 1 (2) |
Make p the same (2) x 2 = (3) |
Before |
6 u |
1 u |
2 u |
Change |
+ 344 |
+ 582 |
+ 1164 |
After |
2 p |
1 p |
2 p |
(1) = (3)
6 u + 344 = 2 u + 1164
6 u - 2 u = 1164 - 344
4 u = 820
1 u = 820 ÷ 4 = 205
From (2)
1 p = 205 + 582 = 787
Total amount raised by Primary 6
= 2 p
= 2 x 787
= $1574
Answer: $1574