To convert a mixed fraction into an improper fraction:

Answer:
y>3x -1 is the right answer
Answer:
40 minutes
Step-by-step explanation:
Let c represent the number of minutes it would take colleen to finish the job when he is working alone. Hence, it can be represented by the equation:

Solving the quadratic equation to get c gives:
c = -12 and c = 40
Since the time cannot be negative, hence c = 40 minutes.
It would take colleen 40 minutes to clear the yard of leaves alone
Answer:
The answer is
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Step-by-step explanation:
To find the percentage increase we use the formula
<h3>

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From the question
The original value = 12
To find the change we subtract the smaller value from the larger one
That's
Change = 20 - 12 = 8
So the percentage increase is
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We have the final answer as
to the nearest whole number
Hope this helps you