This task is about graphing and solving linear equations.
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Adam needs to find someone to mend his mountain bike.
The local bike shop says that this will cost $15 plus $2 per minute of time they spend fixing it.
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This can be written as the equation:
c = 2t + 15
where c is the cost in dollars
t is the time spent in minutes
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a) |
Fill in the costs in this table for each of the times given.
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b)
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This rule can be drawn as a graph. Plot the points from the table in a) on this graph.
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Cost of Fixing a Mountain Bike per Minute Spent in Repair
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c)
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If the repairs took 35 minutes, what was the cost? $__________
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d)
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If the job cost $45, how long did the repairs take? __________ minutes
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