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creativ13 [48]
3 years ago
6

Liner systems of equations

Mathematics
1 answer:
Virty [35]3 years ago
3 0

Answer:

8 years

Step-by-step explanation:

x years later type A and type B will have the same height

Type A = Type B: 10  + (8/12)*X  = 6 + (14/12)*X

multiply 12 each side

120 + 8x = 72 + 14x

14x - 8x = 120 - 72

6x = 48

x = 8

check: A: 10 x 12 + 8 x 8 = 184

            B: 6 x 12 + 14 x 8 = 184

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