Distance =rate/time so your answer is 3 hours first you have to convert meters to kilometers 921000 meters = 921 Km so you have like terms to calculate so your distance becomes 921 Km then divide by the speed 907÷3 = 3 so your answer is 3 hrs
A. 2(3)+7
product is multiplication
increased is addition
- 10x - 5 + 5x
- 10x + 5x - 5
-5x-5