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
Hi , 3/4 times 28 equals to 84/4
28 is equivalent to 28/1
we just multiply straight across
28 x 3 equals to 84
4 x 1 equals to 4
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The correct answer is 5/21
You can multiply 0.129 and 0.3 by 10 each to make it a little easier to see what to do.
0.129 / 0.3 = 1.29 / 3
Simple long division will take you to 0.43
