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 flour. How many packets of oats were collected?
- The table shows the mass of each packet of food.
| Food Items |
Mass of each packet |
| Flour |
9 kg |
| Dried Fruits |
385 g |
| Oats |
415 g |
| Lentils |
300 g |
What is the difference between the total mass of lentils collected and the total mass of dried fruits collected? Give your answer in kg.
(a)
Number of packets of flour collected = 1 u
1 u = 14
Total number of packets of food items collected
= 5 u
= 5 x 14
= 70
Number of packets of oats collected
= 70 - 14 - 24 - 10
= 22
(b)
Total mass of lentils collected
= 10 x 300
= 3000 g
Total mass of dried fruits collected
= 24 x 385
= 9240 g
Difference in mass between the total mass of lentils and the total mass of dried fruits collected
= 9240 - 3000
= 6240 g
1000 g = 1 kg
6240 g = 6240 ÷ 1000 = 6.24 kg
Answer(s): (a) 22; (b) 6.24 kg
