A shopkeeper keeps his stock of bread flour in 35-kg bags. He has 3 such bags to be packed into smaller packets weighing 5 kg and 4 kg. He wants to have the same number of 5-kg packets and 4-kg packets.
- How many packets of bread flour does he pack altogether?
- How much bread flour is left over?
(a)
Total mass of bread flour
= 3 x 35
= 105 kg
Mass of one set of 1 4-kg packet and 1 5-kg packet
= 4 + 5
= 9 kg
Number of sets
= 105 ÷ 9
= 11 r 6
Number of packets of bread flour
= 2 x 11
= 22
(b)
Mass of bread flour left over = 6 kg
Answer(s): (a) 22; (b) 6 kg