Identify the expression that is a rational number and explain why it is rational
1 answer:
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Answer:
The distance paddling out on a lake is 2 kilometres and the distance returning back is also 2 kilometres. In total, 4 kilometres.
Step-by-step explanation:
Let t hours be the time it takes Roger to puddle out on a lake. Then hours is the time it takes him to return (note that 1 hour and 30 minutes is exactly
hours).
1. If he paddles out on a lake at 4 kph for t minutes, then the distance is
2. If he returns at 2 kph, then the distance is
3. These distances are the same, thus
The distance paddling out on a lake is 2 kilometres and the distance returning back is also 2 kilometres. In total, 4 kilometres.
If 5/6 gallons covers a quarter of the house, then you would need 4 times as much paint:
Which is 20/6 gallons or 3 and 1/3 gallons
Hope this helped
Which is 20/6 gallons or 3 and 1/3 gallons
Hope this helped