   Chapter 1.II, Problem 27RE ### Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447

#### Solutions

Chapter
Section ### Contemporary Mathematics for Busin...

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

# An electrician, Sparky Wilson, starts the day with 650 feet of wire on his truck. In the morning, he cuts off pieces 26. 78, 45, and 89 feet long. During lunch, he goes to an electrical supply warehouse and buys another 250 feet of wire. In the afternoon, he uses lengths of 75, 89, and 120 feet. How many feet of wire are still on the truck at the end of the day?

To determine

To calculate: The Length of the wire left on the truck at the end of the day, if initially length of wire on the truck is 650 feet, 250 feet of wire is added in the lunch and the length of wires cut in the morning is 26, 78, 45 and 89 feet and the length of wire use in the afternoon is 75, 89 and 120 feet.

Explanation

Given information:

The initial length of the wire on the truck is 650 feet and 250 feet of wire is added in the lunch.

The length of wires cut in the morning is 26, 78, 45 and 89 feet.

The length of wires cut in the afternoon is 75, 89 and 120 feet.

Formula used:

Use the following steps to add the numbers.

Step 1: First write all the numbers such that all the place values are aligned.

Step 2: Add the unit column, write the number under unit column, if the number came out to be a two-digit number then write its first digit from right and carry the next place digit to the Tens column.

Step 3: Similarly add the hundred, thousand and hundred thousand columns.

Step 4: Check the addition of the number by adding the numbers again from bottom to top.

Use the following steps to calculate the difference between the numbers.

Step 1: First write all the numbers such that all the place values are aligned.

Step 2: Subtract the numbers in unit column, if possible, otherwise borrow 10 from the hundreds column, this increases the unit column by 10 and reduces the hundreds digit by unity. Now, subtract the digits under unit column.

Step 3: Similarly, perform the operations in thousand, ten thousand columns.

Step 4: Check the subtraction by adding the subtraction of the number to the number which is subtracted from the larger number.

Calculation:

To find the length of the wire left on the truck at the end of the day, first add the initial length of the wire 650 feet and 250 feet which is added in the lunch.

650+250_  900

Now, add all the lengths of the wire used

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