A rainstorm hit Portland, Maine, in October 1996, resulting in record rainfall. The rainfall rate R(t) is recorded, in centimeters per hour, in the following table, where t is the number of hours since midnight. Compute the total rainfall during this 24-hour period.
t | 0 - 2 | 2 - 4 | 4 - 9 | 9 - 12 | 12 - 20 | 20 - 24
R(t) | 0.1 | 0.2 | 0.2 | 0.7 | 0.4 | 0.25
(Use decimal notation. Give your answer to two decimal places.)
R = [ ] cm