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6 votes
6 votes
On the windowsill is a plant that is 1 centimeter tall. It is growing 4 centimeters per week. A second plant, which is 5 centimeters tall, is on the coffee table. It is growing 2 centimeters per week. Eventually the two plants will be the same height. How tall will the plants be? Write a system of equations, graph them, and type the solution.

User Goni
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2 Answers

25 votes
25 votes
They’ll be the same height of 9 cm after 2 weeks

Step-by-step explanation:
Plant 1 is 4x+1 and Plant 2 is 2x+5
Set them = to eachother
Solve
X=2
Plug back into equation and it’s 9=9
User CHARAFI Saad
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2.7k points
28 votes
28 votes

Answer:

Week 4 height 22 centimeters.

Step-by-step explanation:

If plant number 1 is 1 centimeter tall and It grows 4 centimeters per week and the next plant is 5 centimeters and grows 2 centimeters per week they should be the same height at week 4

User Ione
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3.0k points