A shopkeeper keeps his stock of sugar in 40-kg bags. He has 5 such bags to be packed into smaller packets weighing 2 kg and 5 kg. He wants to have the same number of 2-kg packets and 5-kg packets.
- How many packets of sugar does he pack altogether?
- How much sugar is left over?
(a)
Total mass of sugar
= 5 x 40
= 200 kg
Mass of one set of 1 5-kg packet and 1 2-kg packet
= 5 + 2
= 7 kg
Number of sets
= 200 ÷ 7
= 28 r 4
Number of packets of sugar
= 2 x 28
= 56
(b)
Mass of sugar left over = 4 kg
Answer(s): (a) 56; (b) 4 kg