On his first day as a telemarketer, Marshall made 24 calls

Last updated: 7/7/2022

On his first day as a telemarketer, Marshall made 24 calls. His goal was to make 5 more calls on each successive day than he had made the day before. If Marshall met, but did not exceed, his goal, how many calls had he made in all after spending exactly 20 days making calls as a telemarketer? A. 670 B. 690 C. 974 D. 1,430 E. 1,530