The bar graph shows the number of packets of different food collected in a donation drive.
- 15 of the total number of packets of food collected was pasta. How many packets of noodles were collected?
- The table shows the mass of each packet of food.
Food Items |
Mass of each packet |
Flour |
3 kg |
Pasta |
250 g |
Milo |
460 g |
Noodles |
200 g |
What is the difference between the total mass of milo collected and the total mass of flour collected? Give your answer in kg.
(a)
Number of packets of pasta collected = 1 u
1 u = 16
Total number of packets of food items collected
= 5 u
= 5 x 16
= 80
Number of packets of noodles collected
= 80 - 20 - 16 - 32
= 12
(b)
1 kg = 1000 g
3 kg = 3 x 1000 = 3000
Total mass of flour collected
= 20 x 3000
= 60000 g
Total mass of milo collected
= 32 x 460
= 14720 g
Difference between the total mass of milo and the total mass of flour collected
= 60000 - 14720
= 45280 g
1000 g = 1 kg
45280 g = 45280 ÷ 1000 = 45.28 kg
Answer(s): (a) 12; (b) 45.28 kg