PSLE Four teams of students sold iced milo for charity.
They collected $6 for a small cup of iced milo and $10 for a big cup of iced milo.
The table shows the number of cups sold by three of the teams.
|
Small cups |
Big cups |
Team K |
17 |
4 |
Team L |
14 |
8 |
Team M |
10 |
10 |
- Which of the three teams collected the least money? Give your answer in letter. (Eg A)
- What was the amount of money collected by Team M?
- Team L sold as many cups of iced milo as Team N but collected $28 less. How many small cups of iced milo did Team N sell?
(a)
Amount collected by Team K
= 17 x 6 + 4 x 10
= 102 + 40
= $142
Amount collected by Team L
= 14 x 6 + 8 x 10
= 84 + 80
= $164
Amount collected by Team M
= 10 x 6 + 10 x 10
= 60 + 100
= $160
Team K collected the least money.
(b)
Amount collected by Team M = $160
(c)
|
Small cups |
Big cups |
Total cups |
Total amount |
Team L |
14 |
8 |
22 |
$164 |
Team N |
7 |
15 |
22 |
164 + 28 = $192 |
Since Team L and Team N sold the same number of cups but Team L collected $28 less, it means that Team N sold more big cups than Team L.
Difference in the total amount collected between Team L and Team N = $28
Difference in the amount collected for every one extra big cup sold by Team N
= 10 - 6
= $4
Number of extra big cups sold by Team N
= 28 ÷ 4
= 7
Number of small cups sold by Team N
= 14 - 7
= 7
Answer(s): (a) K; (b) $160; (c) 7