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VladimirAG [237]
3 years ago
6

A grocer mixed nuts worth 80 cents per pound with nuts worth 50 cents per pound. how many pounds of each did he use to make a mi

nture of 30 pounds to sell at 75 cents per pound
Mathematics
1 answer:
quester [9]3 years ago
5 0
30 pounds to sell at .65 cents per pound
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30:54

Step-by-step explanation:

5:9 x 6 = 30:54

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Riley has a farm on a rectangular piece of land that is 200200200 meters wide. This area is divided into two parts: A square are
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Answer:

The inequality that models the situation for her to have money to save is

7L² > 3(200L - L²)

On simplifying and solving,

L > 60 meters

Step-by-step explanation:

The length of her farm = L meters

The farm where she grows avocados is of square dimension

Area of the farm = L × L = L²

The piece of land is 200 m wide.

Total area of the piece of land = 200 × L = (200L) m²

If the area of her farm = L²

Area of the side where she lives will be

(Total area of the land) - (Area of the farm)

= (200L - L²)

= L(200 - L)

Every week, Riley spends $3 per square meter on the area where she lives, and earns $7 per square meter from the area where she grows avocados.

Total amount she earns from the side she grows the avocados = 7 × L² = 7L²

Total amount she spends on the side where she lives = 3 × (200L - L²) = 3(200L - L²)

For her to save money, the amount she earns must be greater than the amount she spends, hence the inequality had to be

(Amount she earns) > (Amount she spends)

7L² > 3(200L - L²)

To simplify,

7L² > 3L(200 - L)

Since L is always positive, we can divide both sides by L

7L > 3(200 - L)

7L > 600 - 3L

10L > 600

L > 60 meters

Hope this Helps!!!

7 0
3 years ago
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