Answer:
0.5hrs
Step-by-step explanation:
Let the speed downhill be
,
Speed uphill is
. We are told than speed uphill is
the speed on flat ground. Therefore the speed on level ground will be
.
From this info, we can obtain the actual speed,
on level ground as:

speed, distance and time have the relation
so to obtain time to cover 45miles:

Hence it takes 0.5hrs to cover 45miles on flat ground.
Answer:
5 12 9
Step-by-step explanation:
Answer:
where is the question
Step-by-step explanation:
Answer:
Answer is 5x+2
Step-by-step explanation:

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Answer:
Explanation:
Method 1
First, list the multiples of both numbers:

To find the lowest common multiple (LCM) of 6 and 8, first express the numbers as a product of its prime factors.

Next, pick the highest powers for each of the numbers: