Answer:
Exact form: -√19
Decimal form: −4.35889894...
Let the amount of dollars in goods sold be x, then her earning is 1850 + (4/100)x = 1850 + 0.04x.
For her to earn more than $2300, we have:
1850 + 0.04x > 2300
0.04x > 2300 - 1850
0.04x > 450
x > 450 / 0.04
x > $11,250
12.5 * .25=3 1/8 miles running part
3.125 * .5=1 9/16 miles kayaking part
12.5+3.125+1.5625=17 3/16 miles total race
A moving sidewalk at an airport moves at a rate of 1.7 ft/sec. Walking on the moving sidewalk, a person travels 104 ft forward in the time it takes to travel 52 ft in the opposite direction.
Rise over run
aka
change in y over change in x
