During a charity drive, Primary 6 raised 5 times as much money as Primary 1 on the first week. On the second week, Primary 6 raised another $213 while Primary 1 raised another $585. 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 |
5 u |
1 u |
2 u |
Change |
+ 213 |
+ 585 |
+ 1170 |
After |
2 p |
1 p |
2 p |
(1) = (3)
5 u + 213 = 2 u + 1170
5 u - 2 u = 1170 - 213
3 u = 957
1 u = 957 ÷ 3 = 319
From (2)
1 p = 319 + 585 = 904
Total amount raised by Primary 6
= 2 p
= 2 x 904
= $1808
Answer: $1808