Sara has agreed to help with her younger sister's science fair experiment. Her sister planted string beans in two pots. She is

Mathematics

1 answer:

Delvig [45]1 year ago

7 0

Answer: plants are same height in 30 days; Plant A is tallest in 6 weeks

Step-by-step explanation:

x = number of days

4 + (2/3)x = 9 + (1/2)x

(2/3)x - (1/2)x = 9 - 4

(1/6)x = 5

x = 30, number of days for Plant A and Plant B to be same height.

6 wks = 42 days

Plant A in 42 days: 4 + (2/3)(42) = 32 inches

Plant B in 42 days: 9 + (1/2)(42) = 30 inches

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