A lightning discharge from a cloud 2.5 mi high is measured at a speed of 550 mi/s (miles per second) for the down stroke and 10000 mi/s for the powerful return stroke (ground to cloud). What is the total time for both strokes? Give your answer to two significant figures.

Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%