2800 ÷ 400
Cross out 2 zeros from both numbers, then you have 28 ÷ 4 = 7
The distance covered by Greta after biking at a speed of 12 miles per hour for x hours is 12x miles.
<h3>What is
speed?</h3>
Speed is the ratio of distance travelled to time taken. It is given by:
Speed = distance / time
Greta starts at mile marker S on a bike trail and is biking at a speed of 12 miles per hour. If she biked for x hours:
Distance covered = 12 mph * x = 12x miles
The distance covered by Greta after biking at a speed of 12 miles per hour for x hours is 12x miles.
Find out more on speed at: brainly.com/question/4931057
The equations would be 5000(1+0.02)^3 and the answer is $5306.04
