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umka21 [38]
4 years ago
6

A Gardner plants two trees

Mathematics
1 answer:
aleksandrvk [35]4 years ago
7 0

Answer:

Step-by-step explanation:

before we make out equation, we have to turn our tree heights into inches.

1 ft = 12 inches

9 ft = (9 * 12) = 108 inches

2 ft = (2 * 12) =24 inches

let x represent number of years

Type A :

108 + 17x

Type B :

24 + 24x

now it wants to know how many years till there the same height....when they will be equal.....so set them equal and solve for x

108 + 17x = 24 + 24x

108 - 24 = 24x - 17x

84 = 7x

84/7 = x

12 = x

so they will be the same height in 12 years <===

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