Question 1190488
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(a)

The details...

Old rate + raise = new rate
11.50 + 1.25 = 12.75

Say the clerk works 1hr at the new rate, that's 12.75 earned
IF the clerk works 2hrs at the new rate, that's 12.75+12.75 or 2*12.75 earned
For h hours worked, the clerk earns h*12.75 or 12.75h