Seudónimo Seudónimo 13-02-2018 Mathematics contestada ILL GIVE MEDAL AND BRAINLIST AWNSER TO whoEVER IN THE FIRST!!!!Roland's heart beats 495 times in 6 minutes. At that rate, how many times would it beat in 20 minutes? A. 9900 B. 2970 C. 1650 D. 615