Answer:
$400
Step-by-step explanation:
Given at the end of 2017 estimated warranty payable is $ 1,300
Also given that During 2018, Roy Electric made sales of $ 140,000 and expects product warranties to cost the company 1 percent of the sales
The warranties made in the year 2018 is 
Given that the company already paid $2300 warranties so
Total warranties payable are 1300 + 1400 - 2300 = $400
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Answer:

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Step-by-step explanation:
We are solving the expression: 
Solve:

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2.5x+15 = 3.5x
subtract 2.5x from each side
15 = x
they will have the same amount after 15 months
Answer:B
Step-by-step explanation: