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 $219 while Primary 2 raised another $557. During the entire charity event, Primary 6 raised 3 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 3 = (3) |
Before |
6 u |
1 u |
3 u |
Change |
+ 219 |
+ 557 |
+ 1671 |
After |
3 p |
1 p |
3 p |
(1) = (3)
6 u + 219 = 3 u + 1671
6 u - 3 u = 1671 - 219
3 u = 1452
1 u = 1452 ÷ 3 = 484
From (2)
1 p = 484 + 557 = 1041
Total amount raised by Primary 6
= 3 p
= 3 x 1041
= $3123
Answer: $3123