A shopkeeper keeps his stock of rice flour in 25-kg bags. He has 2 such bags to be packed into smaller packets weighing 2 kg and 7 kg. He wants to have the same number of 2-kg packets and 7-kg packets.
- How many packets of rice flour does he pack altogether?
- How much rice flour is left over?
(a)
Total mass of rice flour
= 2 x 25
= 50 kg
Mass of one set of 1 7-kg packet and 1 2-kg packet
= 7 + 2
= 9 kg
Number of sets
= 50 ÷ 9
= 5 r 5
Number of packets of rice flour
= 2 x 5
= 10
(b)
Mass of rice flour left over = 5 kg
Answer(s): (a) 10; (b) 5 kg