At the school, Level Q and Level R had an equal number of desks at first. If 9 desks were removed from Level R and 5 times as many desks were removed from Level Q as Level R, the number of desks in Level R would be 5 times as many as in Level Q. Find the number of desks on each level.
| |
Level Q |
Level R |
| Before |
1 u + 45 |
5 u + 9 |
| Change |
- 45 |
- 9 |
| After |
1 u |
5 u |
Number of desks removed from Level Q
= 5 x 9
= 45
Number of desks on Level Q and Level R at first is the same.
5 u + 9 = 1 u + 45
5 u - 1 u = 45 - 9
4 u = 36
1 u = 36 ÷ 4 = 9
Number of desks on each level
= 1 u + 45
= 9 + 45
= 54
Answer(s): 54
