26 P6.SP.TL.18012213
Level 2
A lorry and a bus were travelling from town A to town B which were 720 km apart. The bus set off 2 12 h later than the lorry but arrived 1 12 h earlier. If the average speed of the lorry was 60 km/h, find the average speed of the bus.
2 m
DST triangle Average speed Different speed Same starting point Duration
27 P6.AG.JC.17080446
Level 2
Gary weighs x kg while Jim weighs 20 kg.
  1. Find the average mass of each boy in terms of x .
  2. If x = 30, find the average mass of each boy.
2 m
Algebra in 1 variable Algebra simplifying Algebra substitution Mass Average
28 P6.SP.TL.18012211
Level 2
Vicky and Sue started driving from the same building but in opposite directions along a straight road. After driving for 2 hours, they were 260 km apart. Vicky's average speed was 60 km/h. What was Sue's average speed?
2 m
DST triangle Average speed Same starting point Opposite direction
29 P6.AG.JC.17080447
Level 2
Tom has a mass of 8r kg. John is 4 kg heavier than Tom. The mass of May is twice the total mass of the Tom and John.
  1. Find the total mass of the 3 children in terms of r.
  2. If r = 2, find the average mass of the 3 children.
2 m
Algebra in 1 variable Algebra simplifying Algebra substitution Mass Average More than or less than Times as many
30 P6.SP.TL.18012214
Level 2
Kim ran 30 minutes at the speed of 10 km/h. She then continued at the speed of 8 km/h for 45 minutes. How far did she run?
2 m
DST triangle Average speed Journey by parts Different speed Distance apart Unit conversion Duration

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