Answer:
Distance between school and home = 105 miles.
Step-by-step explanation:
Let distance = D miles
Time to take walking/jogging, t1 = D/6 hours
Time by car, t2 = D/35 hours
Average time, t
= (t1+t2)/2
= D(1/6+1/35)
= (D/210)(35+6)
=41D/210 hours
Given t = t1-3 hours
41D/210 - D/6 = 3
Solve for D
41D/210 - 35D/210 = 3
(41-35)D/210 = 3
6D/210 = 3
D = 3*210/6 = 105 miles.
(Appreciate very much Diana's efforts to walk/job 105 miles to school, and we understand how lucky we are in most of Europe and North America)
So income = 22000 + .05x where x is the amount in sales.
35000 = 22000 + .05x subtract 22000 from both sides or
13000 = .5x then divide both sides by .5 and he must sell MORE THAN
13000/.05 or 260,000
ANSWER: 8x^4 +64x^3 + 98x^2 +30x
Work in image.
Answer:
44,39,87,48,09,74,20,09,57,19,85
