PSLE Four teams of students sold french fries for charity.
They collected $5 for a small cup of french fries and $7 for a big cup of french fries.
The table shows the number of cups sold by three of the teams.
|
Small cups |
Big cups |
Team C |
15 |
4 |
Team D |
14 |
7 |
Team E |
9 |
10 |
- Which of the three teams collected the most money? Give your answer in letter. (Eg A)
- What was the amount of money collected by Team C?
- Team F sold as many cups of french fries as Team C but collected $12 more. How many big cups of french fries did Team F sell?
(a)
Amount collected by Team C
= 15 x 5 + 4 x 7
= 75 + 28
= $103
Amount collected by Team D
= 14 x 5 + 7 x 7
= 70 + 49
= $119
Amount collected by Team E
= 9 x 5 + 10 x 7
= 45 + 70
= $115
Team D collected the most money.
(b)
Amount collected by Team C = $103
(c)
|
Small cups |
Big cups |
Total cups |
Total amount |
Team C |
15 |
4 |
19 |
$103 |
Team F |
9 |
10 |
19 |
103 + 12 = $115 |
Since Team F and Team C sold the same number of cups but Team C collected $12 more, it means that Team F sold more big cups than Team C.
Difference in the total amount collected between Team F and Team C = $12
Difference in the amount collected for every one extra big cup sold by Team F
= 7 - 5
= $2
Number of extra big cups sold by Team F
= 12 ÷ 2
= 6
Number of big cups sold by Team F
= 4 + 6
= 10
Answer(s): (a) D; (b) $103; (c) 10