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 cereals were collected?
- The table shows the mass of each packet of food.
Food Items |
Mass of each packet |
Flour |
2 kg |
Lentils |
305 g |
Cereals |
480 g |
Milo |
500 g |
What is the difference between the total mass of milo collected and the total mass of lentils 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 cereals collected
= 70 - 14 - 26 - 10
= 20
(b)
Total mass of milo collected
= 10 x 500
= 5000 g
Total mass of lentils collected
= 26 x 305
= 7930 g
Difference in mass between the total mass of milo and the total mass of lentils collected
= 7930 - 5000
= 2930 g
1000 g = 1 kg
2930 g = 2930 ÷ 1000 = 2.93 kg
Answer(s): (a) 20; (b) 2.93 kg