Application of linear systems

Question

Building A is 160 feet shorter than building B. The total height of the two buildings is 1480 feet. Find the height of the each building.

Answer 1

A = B - 160

A + B = 1480

(B - 160) + B = 1480

2B = 1640

B = 820

A = B - 160 = 820 - 160 = 660

Building A 660 ft, B 820 ft.