The distance between the first and last plant is \(\fbox{\bf{\text{66 feet}}}\).
Further explanation:
Given:
A farmer is planting a straight row of crops with 3 feet between each plant.
Calculation:
Consider the number of plant as \(x\).
The number of spaces \(S\) between the plants is calculated as follows:
\(S=x-1\) ……(1).
Since, the number of plants are 23, Substitute 23 for \(x\) in equation (1) to obtain the number of spaces between the plants.
\(\begin{aligned}S&=23-1\\&=22\\\end{aligned}\)
Since, the distance between each plant is 3 feet, the distance \(D\) between the first and last plant is calculated as follows:
\(D=3S\) ……(2)
Substitute 22 for \(S\) in equation (2) to obtain distance \(D\) between the first and last plant.
\(\begin{aligned}D&=3\left({22}\right)\\&=66\,\,{\text{feet}}\\\end{aligned}\)
Thus, the distance between the first and last plant is \(\fbox{\bf{\text{66 feet}}}\).
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Answer Details :
Grade: Middle School
Subject: Mathematics
Chapter: linear equation
Keywords:Plant, farmer, crops, feet, A farmer is planting, space between the plant is 3 feet, linear equation, straight lines, function, number of spaces.
