Miss johnson is buying new chair and a table for the senior center. she has 150 to spend. she bought one table for $68 and each chair costs $18 which inequality shows the number of chairs, x, she can buy
A. 18x + 68 ≤ 150
B. 18x + 68 ≥ 150
C. 68x + 18 ≤ 150
D. 68x + 18 ≥ 150