MATHEMATICS MIDDLE SCHOOL

Pedro is building a spice rack with 4 shelves that are each 0.55 meter long. At the hardware store, Pedro finds he can only buy the shelving in whole meter lengths. Exactly how many meters of shelving does Pedro need? Since he can only buy whole number lengths, how many meters of shelving should he buy?

Answers

Answer 1

Answer: you multiply the numbers
4X0.55= 2.2

but since you need that 0.2 to complete the self you round up to 3

Answer 2

Answer:

Pedro should buy $\boxed{\bf 3\text{\bf\ meters}}$ of the shelving.

Further explanation:

Procedure used:

The following steps are involved to find the value of $y\text{ unit}$ where $y$ is any real number.

1) If one unit is $x$ then multiply $y$ with $x$ .

2) The resultant number is $xy$ .

Given:

Pedro is building a spice rack with $4\text{ shelves}$ and length of each rack is $0.55\text{ meters}$ . He can only buy whole number of lengths.

Calculation:

Step 1:

The length of the shelf is $0.55\text{ meter}$ .

Multiply $4$ by $0.55$ to calculate the length of $4$ shelves.

$\begin{aligned}l&=\4* 0.55\n&=2.20\end{aligned}$

Here, $l$ represents the length of the $4$ shelves.

Step 2:

Pedro can only buy whole number lengths.

In the $\text{step }1$ we can see the length of the shelf is not appropriate as he can by only whole numbers.

Pedro needs exactly $2.2\text{ meters}$ of shelving.

Therefore, the number $2.20$ lies between $2$ and $3$ .

The number $2$ is not correct as the length should be at least $2.20\text{ meters}$ .

Therefore, Pedro should buy $3\text{ meters}$ of the shelving.

Thus, the required length of the shelf is $\boxed{\bf 3\text{\bf\ meters}}$ .

Learn more:

1. Learn more about the representation of the graph brainly.com/question/2491745

2. Learn more about the graph of the quadratic function brainly.com/question/2334270

3. Learn more about graphed below of the function brainly.com/question/9590016

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Units and measurement

Keywords: Pedro, spice rack, meters, building rack, shelf, lengths, measurement, unit, decimal, fractions, numbers, numbering system, rational number, whole numbers.

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