Wth rate over several weeks of two plants in their classroom. The equations of both plants are given where x represents the time
in weeks and y represents the heights of the plants in inches.
Plant A: y = 1.8x + 3.1
Plant B: y = 2.3x + 1.9
Approximately how many weeks will it take for both plants to reach the same height? Round your answer to the nearest tenth.
1.9 weeks
2.4 weeks
3.1 weeks
7.4 weeks
1 answer:
Answer:
Number of week (x) = 2.4 weeks
Explanation:
Given:
Plant A: y = 1.8x + 3.1
Plant B: y = 2.3x + 1.9
Find:
Number of week (x)
Computation:
if heights are equal
1.8x + 3.1 = 2.3x + 1.9
0.5 x = 1.2
x = 2.4
Number of week (x) = 2.4 weeks
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