Question

You are installing wood trim in a room that is 144 inches long. You are required to use a finishing nail in
the middle of every 4.5 inch section along the wall. How many nails do you need for one side of the room?

Answer 1

Answer:

32

Step-by-step explanation:

144 divided by 4.5= 32

Answer 2

Number of nails needed for one side of room is 32.

What is Unitary method?

It is a method where we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit.

Steps to Use Unitary Method

First, let us make a note of the information we have. There are 5 ice-creams. 5 ice-creams cost $125.

• Step 1: Let’s find the cost of 1 ice cream. In order to do that, divide the total cost of ice-creams by the total number of ice-creams. The cost of 1 ice-cream = Total cost of ice-creams/Total number of ice-creams = 125/5 = 25. Therefore, the cost of 1 ice cream is $25.
• Step 2: To find the cost of 3 ice-creams, multiply the cost of 1 ice cream by the number of ice-creams. The cost of 3 ice-creams is cost of 1 ice-cream × number of ice-creams = 25 × 3 = $75. Finally, we have the cost of 3 ice-creams i.e. $75.

Given:

length of wood trim = 144 inches ling.

length of each section = 4.5 inch

So,

number of nails,

= length of wood trim/ length of each section

=144/ 4.5

=32 nails

Learn more about Unitary method here:

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