Let J = rate of jet in still airLet W = rate of wind Distance formula: d = rt / r = d/t Flying against the wind the jet flies at a rate of J - W = 1860 miles/3 hours = 620 miles per hourFlying with the wind the jet flies at a rate of J+W = 9180 miles/9 hours = 1020 miles per hour The average of these 2 rate is the speed of the jet in still air J = (620+1020)/2 = 820 miles per hour J - W = 620
820 - W = 620
W = 820 - 620 = 200 miles per hour The jet in still air flies at a rate of 820 mph(miles per hour)The wind speed is 200 mph(miles per hour)
Answer:
10.3 ft
Step-by-step explanation:
5.5/8 = x/15
multiply by 15
x=10.3 ft
Yes because it's a random sample and it doesn't target any specific group
Answer:
Retail Price = $155
Step-by-step explanation:
The retail price is 55% MORE than the manufacturer buying price.
The manufacturer buying price is $100. So the retail price would be 55% MORE.
Firstly,
55% in decimal is:
55/100 = 0.55
Now 55% of 100 is:
0.55 * 100 = $55
So, the retail price is $55 MORE, so the retail price is:
100 + 55 = $155
Retail Price = $155
Answer:
Step-by-step explanation:
