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This is a level 4 number activity from the Figure It Out theme series.
use mental strategies to solve problems involving addition and multiplication
Students will need to use the rules given for each operator and apply them to find the costs:
• Benny’s Buses: two one-way trips of 64 kilometres at $2 per kilometre
2 x 64 x $2 = $256
• Saltwater Charter Boats: round trip of 3 hours at $65 per hour
3 x 65 = $195
• Fat Cat Tours: one return trip for 36 people at $5 per person
36 x $5 = $180
• Kimbell Motors: two one-ways trips at $50 plus $3 per person
2 x [$50 + ($3 x 36)] = $316
As an extension, you could suggest other possible operators to students, such as Amphibian Craft Ltd, which charges $70 per hour. Its vehicle takes 1 hour to travel the 64 kilometres by road and 4 hours to complete a round trip to Màrama Island.
Answers to Activity
The cheapest option is Benny’s Buses ($256) and the Fat Cat Tours boat ($180).