wangstanley87 wangstanley87 17-11-2022 Mathematics contestada Question An online T-shirt store is having a sale. The original price of each T-shirt is p dollars. The store sells 20 T-shirts and earns a total of (20p−60) dollars. a. Factor the expression using the GCF. 20p−60= b. The discount per T-shirt is $ .