A Contractor Hires Three Plumbers to Work 9 Hours a Day

question 19

Short Answer

A contractor hires three plumbers to work 9 hours a day for five days and three laborers to work 7 hours for one day. The total number of hours worked is ____________________.

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Definitions:

Compounded Semi-Annually

A method of calculating interest in which the accrued interest is added to the principal sum biannually, leading to "interest on interest."

Monthly Payments

Payments made once a month, often as part of a loan or rental agreement.

Borrow

To receive something of value with the promise to return it or its equivalent value at a later date.

Compounded Semi-Annually

A method of calculating interest where the interest is added to the principal twice a year, leading to interest on interest.