Solve the Problem $$\mathrm { l } = \frac { 1 } { 43 } \mathrm { ft } ; \mathrm { w } = \frac { 13 } { 43 } \mathrm { ft }$$

question 164

Multiple Choice

Solve the problem.
-The length and width of a rectangle must have a sum of 86 feet. Find the dimensions of the rectangle whose area is as large as possible.

• A) \[\mathrm { l } = \frac { 1 } { 43 } \mathrm { ft } ; \mathrm { w } = \frac { 13 } { 43 } \mathrm { ft }\]
• B) \[\mathrm { l } = 43 \mathrm { ft } ; \mathrm { w } = 129 \mathrm { ft }\]
• C) \[\mathrm { l } = 43 \mathrm { ft } ; \mathrm { w } = 43 \mathrm { ft }\]
• D) \[\mathrm { l } = 42 \mathrm { ft } ; \mathrm { w } = 44 \mathrm { ft }\]

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