Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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What will be the total earnings of an oiler who earns $1800 in the first half of the year and receives a 10% raise for the second half?

$3500
$3600
$3780
$4000

The correct answer is: $3780

To calculate the total earnings of the oiler for the year, we start with the first half of the year where the oiler earns $1800. For the second half of the year, a 10% raise is applied to this amount. To find the second half earnings, we first calculate the raise: 10% of $1800 is calculated as follows: 10/100 × 1800 = $180. Now, we add this raise to the original salary for the first half of the year to find the total earnings for the second half: $1800 + $180 = $1980. Finally, we combine the earnings from both halves of the year: $1800 (first half) + $1980 (second half) = $3780. Thus, the total earnings of the oiler for the year is $3780, confirming the correctness of the answer provided.