One building is 15 feet tall and another is 90 feet tall. proportionally, the height of the smaller building is
1 answer:
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Answer:
x = 4.7
Step-by-step explanation:
30x - 140 -(x - 4)
Multiply the -1 into (x - 4)
30x - 140 - x + 4
Add/subtract
29x - 136 = 0
+136