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Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447

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BuyFindarrow_forward

Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447
Textbook Problem

Bob Powers, a consulting electrical engineer, is offered two different jobs. Abbott Industries has a project that pays $52 per hour and will take 35 hours to complete. Micro Systems has a project that pays $44 per hour and will take 45 hours to complete. Which offer has a greater gross income and by how much?

To determine

To calculate: The gross income of both the offers if one offer is from Abbott industries that pays $52 per hour and will take 35 hours to complete and other is from micro systems that pays $44 per hour and will take 45 hours to complete. Also, find which of the two offers has a greater gross income and by how much.

Explanation

Given Information:

Abbott industries pays $52 per hour and takes 35 hours to complete and micro systems pays $44 per hour takes 45 hours to complete.

Formula used:

Steps for multiplying whole numbers.

Step 1: Write down the factors in columns such that the place values line up.

Step 2: Multiply every digit of the multiplier with the multiplicand, starting with the units. Each multiplication gives a partial product whose unit digit appears under the corresponding digit of the multiplier.

Step 3: Now in each column, add the digits of the partial products, starting with the units column on the right.

Calculation:

Case 1: Income by Abbott industries,

Income per hour is $52.

Total hours to complete the work is 35hours.

Therefore, total income from the Abbott industries will be,

     52×   35           ¯

Solve the multiplication,

Step 1: Multiply the multiplier ‘5’ with the multiplicand.

     52×   35   260 ¯

Step 2: Multiply the multiplier ‘3’ with the multiplicand and write the partial product under the corresponding column.

     52×   35   260 156 ¯

Step 3: Add the partial products,

     52×   35   260 156  1,820 ¯¯

Therefore, total income from the Abbott industries is $1,820.

Case 2: Income by micro systems.

Income per hour is $44.

Total hours to complete the work is 45hours

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