Answer:

Step-by-step explanation:
According to the scenario, the following information is given:



Therefore for the given equation, the answer is 
Answer:
520
Step-by-step explanation:
This problem is
boys + girls = total
Boys = 442
Girls = 15% of the total
Therefore, substituting in, gives us:
442 + .15t = t, where t is total
Then 442 = .85t and
t = 520
Answer:
median 9
mode 9
mean 11,808.8
range 9 or 0
Step-by-step explanation:
Answer:
x=1
Step-by-step explanation:
14+3x=8x-3(x-4)
Answer:
42 mph
Step-by-step explanation:
From 2 p.m. to 6 p.m. 4 hours passed, so the truck and the motorcycle were on the road for 4 hours until they met.
Motorcycle in 4 hours at a constant speed of 45 mph travelled

The distance between the motorcycle and the truck is 348 miles, so the truck travelled

If x mph is truck's speed, then
