The bar graph shows the number of packets of different food collected in a donation drive.
- 13 of the total number of packets of food collected was biscuits. How many packets of dried fruits were collected?
- The table shows the mass of each packet of food.
Food Items |
Mass of each packet |
Rice |
9 kg |
Biscuits |
465 g |
Pasta |
275 g |
Dried Fruits |
400 g |
What is the difference between the total mass of pasta collected and the total mass of rice collected? Give your answer in kg.
(a)
Number of packets of biscuits collected = 1 u
1 u = 18
Total number of packets of food items collected
= 3 u
= 3 x 18
= 54
Number of packets of dried fruits collected
= 54 - 10 - 18 - 14
= 12
(b)
1 kg = 1000 g
9 kg = 9 x 1000 = 9000
Total mass of rice collected
= 10 x 9000
= 90000 g
Total mass of pasta collected
= 14 x 275
= 3850 g
Difference between the total mass of pasta and the total mass of rice collected
= 90000 - 3850
= 86150 g
1000 g = 1 kg
86150 g = 86150 ÷ 1000 = 86.15 kg
Answer(s): (a) 12; (b) 86.15 kg