Answer:
answer is B. 3 and 2
Step-by-step explanation:
source i have the answer sheet for this unit lol so can i get brainliest !!!
x/110 = (320-x)/90
<span> Cross multiply</span>
90x = 35200-110x
200x=35200
X = 35200/200 = 176 (distance traveled by train going 110 mph
176/110 = 1.6 hours = 1 hour and 36 minutes
Check: 110*1.6 = 176, 90*1.6 = 144
176+144 = 320
it will take 1.6 hours ( 1 hour 36 minutes) for the trains to meet
The answer is D. 18.5
How? Because you have the numbers in order and cross the out it leaves you with 17, and 20 and the number between can be 19 or 18.5.
Hope I helped
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Answer:
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The slope of x-y=8 is 1 because it's actually y = x-8
Parallel means the slope is equal to 1 as well.
