Move all the x terms to one side and solve for x. 15x-10x=21-6 : 5x/5=15/5 : x=3
When Dave walks three dogs he will earn a net profit of 40 dollars.
There are 4.29 cases in the units
<h3>How to determine the number of cases?</h3>
The given parameters are:
Units = 60
Rate = 14 units per case
The number of cases is then calculated as:
Case = Unit/Rate
This gives
Case = 60/14
Evaluate
Case = 4.29
Hence, there are 4.29 cases in the units
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Answer:
15 miles
Step-by-step explanation:
ratio problem
1 inch/5 miles = 3 inch/x
x = 15
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