Problema Solution

She wants to put 7 PCs on each counter with 3 feet between the PCs and 2 feet on each end. The PCs measure 18 inches wide and 24 inches high. What length of counters should the Internet cafe have made?

Answer provided by our tutors

1 ft = 12 in


1 in = 1/12 ft


18 in = 18/12 ft = 3/2 ft


2*2 + 6*3 + 7*(3/2) = 4 + 18 + 10.5 = 32.5 ft


each counter should be 32.5 ft long.