Let the speed for the first 12 mi be x mi/h, the speed for 18 mi was (x+4) mi/h
thus given that
time=distance/speed
the average time will be:
3=(12+18)/(x+x+4)
3=30/(2x+4)
solving for x we get
3(2x+4)=30
6x+6=30
6x=24
x=4 mi/hr
Answer: 12 mi/hr
Question:
3.f(-4)-3.g(-2) please help me with this problem
Answer:
-12f + 6g
Step by step explanation:
Answer:
-2, -3
Step-by-step explanation:
-2*-3=6
-2+-3=-5
Carter paid $200 for the bike.
Step-by-step explanation:
Given,
Current value of bike = $90
This represent 45% of the original amount Carter paid for bike.
Let,
x represent the original amount of bike.
45% of x = 90
Dividing both sides by 0.45
Carter paid $200 for the bike.
Keywords: percentage, division
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#LearnwithBrainly
Answer:
Feet
Step-by-step explanation: