Pre-Algebra
Olivia left her house at 9:00 am on Tuesday & traveled 648 miles. When she arrived at her destination it was 3:00 am the next day. Given that her home & her destination are in the same time zone, which of the following is closest to her average speed, in miles per hour, for this trip? A. 72 B. 54 C. 36 D. 31 E. 18
c. 36
A company purchases cell phones at a cost of x and sells the cell phones at four times the cost. What equation below represents the profit made on each sell phone? A. x B. 3x C. 4x D. 3 - x E. 4 - x
B. 3x