In 1/8 days, a construction crew built 1/4 miles of a road. What is the unit rate in miles per day.
1 answer:
The unit rate of road construction is 2 miles per day.
Step-by-step explanation:
Given,
In days
miles road is constructed.
To find
The rate of road constructed per day
Method
We will apply unitary method to solve it.
Now,
In days
miles road is constructed.
In 1 day the road will be constructed = ÷
miles
= 2 miles
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Answer:
17
Step-by-step explanation:
Let F be the number of fruit per acre
F = (25 + x) × (41 - x)
F=1025 -25x + 41x -x²
F=-x²+16x+1025
The maximum yield is at the maximum of that expression, which is at
x=8
So apparently she currently has far too many trees per acre. To get the maximum yield, she needs to reduce the number of trees per acre by 8.
So the number of trees per acre for maximum yield is 25-8 = 17.