A shopkeeper keeps his stock of bread flour in 35-kg bags. He has 5 such bags to be packed into smaller packets weighing 7 kg and 1 kg. He wants to have the same number of 7-kg packets and 1-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
= 5 x 35
= 175 kg
Mass of one set of 1 1-kg packet and 1 7-kg packet
= 1 + 7
= 8 kg
Number of sets
= 175 ÷ 8
= 21 r 7
Number of packets of bread flour
= 2 x 21
= 42
(b)
Mass of bread flour left over = 7 kg
Answer(s): (a) 42; (b) 7 kg