Robbie is going shopping. He has no more than $65:00 to spend. He wants to buy a pair of shoes for $21.95 and some shirts that cost $10.50 each.

Which inequality can Robbie use to determine how many shirts, s, he can buy?
a. 10.5s+21.95≤ 65
b. 10.5s+21.95≥ 65
c. 10.5s+21.95>65
d. 10.5s+21.95<65