During a charity drive, Primary 6 raised 6 times as much money as Primary 2 on the first week. On the second week, Primary 6 raised another $394 while Primary 2 raised another $555. During the entire charity event, Primary 6 raised 2 times as much as Primary 2. What was the total amount raised by Primary 6?
|
Primary 6 (1) |
Primary 2 (2) |
Make p the same (2) x 2 = (3) |
Before |
6 u |
1 u |
2 u |
Change |
+ 394 |
+ 555 |
+ 1110 |
After |
2 p |
1 p |
2 p |
(1) = (3)
6 u + 394 = 2 u + 1110
6 u - 2 u = 1110 - 394
4 u = 716
1 u = 716 ÷ 4 = 179
From (2)
1 p = 179 + 555 = 734
Total amount raised by Primary 6
= 2 p
= 2 x 734
= $1468
Answer: $1468