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3. A rectangular picnic area of 8000 m² is being constructed by the Parks Commission along the edge of a river. It will be fenced on three sides, but not along the river. Ornamental fencing costing $12/m will be used on the side opposite the river and chain-link fencing costing $3/m will be used on the other two sides. What are the dimensions of the fence which will cost the least to make?

3. A rectangular picnic area of 8000 m² is being constructed by the Parks Commission along the edge of a river. It will be fenced on three sides, but not along the river. Ornamental fencing costing $12/m will be used on the side opposite the river and chain-link fencing costing $3/m will be used on the other two sides. What are the dimensions of the fence which will cost the least to make?

PREALGEBRA
PREALGEBRA
15th Edition
ISBN:9781938168994
Author:OpenStax
Publisher:OpenStax
Chapter5: Decimals
Section5.6: Ratios And Rate
Problem 483E: A popular fast food burger weighs 7.5 ounces and contains 540 calories, 29 grams of fat, 43 grams of...
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个 → C Open v smileldcsbon-my.sharepoint.com Share Volume = (Area of the base) x height Optimization Ass....pdf ED Info TXX / om 3. A rectangular picnic area of 8000 m² is being constructed by the Parks Commission along the edge a river. It will be fenced on three sides, but not along the river. Ornamental fencing costing $12/m will be used on the side opposite the river and chain-link fencing costing $3/m will be used on the other two sides. What are the dimensions of the fence which will cost the least to make? 4. A boat leaves a dock at noon and heads west at a speed of 25 km/h. Another boat heads north at 20 km/h and reaches the same dock at 1:00 pm. When were the boats closest to each other? : X
Transcribed Image Text:个 → C Open v smileldcsbon-my.sharepoint.com Share Volume = (Area of the base) x height Optimization Ass....pdf ED Info TXX / om 3. A rectangular picnic area of 8000 m² is being constructed by the Parks Commission along the edge a river. It will be fenced on three sides, but not along the river. Ornamental fencing costing $12/m will be used on the side opposite the river and chain-link fencing costing $3/m will be used on the other two sides. What are the dimensions of the fence which will cost the least to make? 4. A boat leaves a dock at noon and heads west at a speed of 25 km/h. Another boat heads north at 20 km/h and reaches the same dock at 1:00 pm. When were the boats closest to each other? : X
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