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1 answer:
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Answer:
Step-by-step explanation:
Alright, lets get started.
Suppose car was driven x miles in its 4 days trip.
Cost of a car rental is thirty dollar per day.
So, for 4 days, the car rental will be = $
For 1 mile, it adds fifteen cents,
So, for x miles, the cost will be = $
As per question, total rent is 180 $
Total rent will be =
Subtracting 120 in both sides
It means car was driven 400 miles. : Answer
Hope it will help :)
Answer:
The original digit is 62
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Step-by-step explanation:
<em>Let the Tens be represented with T</em>
<em>Let the Units be represented with U</em>
Given:
Unknown Two digit number
Required:
Determine the number
Since, it's a two digit number, then the number can be represented as;
From the first sentence, we have that;
Interchanging the digit, we have the new digit to be
So;
Collect Like Terms
Divide through by 11
Recall that
becomes
Collect like terms
Divide both sides by 2
Substitute 2 for U in
Recall that the original digit is
<em>Substitute 6 for T and 2 for U</em>
<em>Hence, the original digit is 62</em>