A biologist measures the temperature of a lake each week during the summer. This table shows seven weeks of measurements. Which equation can be used.

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Presentation transcript:

A biologist measures the temperature of a lake each week during the summer. This table shows seven weeks of measurements. Which equation can be used to find the temperature, t, of the lake during these seven weeks, w? A family went snow skiing. The chart below shows the cost to rent skis, y, based on the number of hours rented, x. What equation will calculate the family’s cost to rent skis for x hours? Edward is buying tickets to a football game. Which equation will help him determine the amount of money he will spend for tickets? Alexis saves her money each week. Her savings are shown in the table below. What equation calculates the amount of money Alexis has saved after x weeks? Tickets Bought Number (N) of Tickets Cost (C) of Tickets 1 $18 2 $36 3 $54 Week (x) Amount Saved (y) 1 $3 2 $6 3 $9 4 $12 Hours Rented (x) Cost (y) 3 $48 5 $80 7 $112 9 $144