Kristin bought two sunflower plants. Plant A is 8 inches tall and is growing at a rate of 3 inches per week. Plant B is 12 inches tall and is growing at a rate of 2 inches per week. Write the two equations to represent each sunflower plant if the plants to continue to grow at the same rate. In your equations, x
represents the number of weeks, and y
represents the height of the plant in inches.
Plant A: y=
1$$
Plant B: y=
2$$
Score
1
Question 2
When will the plants be exactly the same height?
This question requires you to show your work.
The plants will be exactly the same height during week 1$$.
Score
1
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To find out when the plants will be exactly the same height, we can set the two equations equal to each other:
3x + 8 = 2x + 12
Solve for x:
x = 4
Therefore, the plants will be exactly the same height during week 4.