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iVinArrow [24]
3 years ago
7

.- Alicia tiene una finca de 1 km2 de superficie. Dedica 28 hm2 a cultivar trigo, 3.900 dam2 a plantar olivos y el resto lo ha p

lantado de girasoles.¿ Cuántos metros cuadrados ocupan los girasoles?
Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0

Answer:

330 000 m²

Step-by-step explanation:

1. Area of farm

A = \text{1 km}^{2} \times\left (\dfrac{\text{1000 m}}{\text{1 km}} \right )^{2}= \text{1 000 000 m}^{2}

2. Area for wheat

A = \text{28 hm}^{2} \times \left (\dfrac{\text{100 m}}{\text{1 hm}}\right)^{2}  = \text{280 000 m}^{2}

3.Area for olive trees

A = {\text{3900 dam}^{2} \times  \left (\dfrac{\text{10 m}}{\text{1 dam}}\right )^{2}}= \text{390 000 m}^{2}

4. Area for sunflowers

Total area                  =                          1 000 000 m²

- Area for wheat        = 280 000 m²

- Area for olive trees = <u>390 000                                   </u>

                                                                 <u>670 000      </u>

Area for sunflowers =                              330 000 m²

Sunflowers occupy 330 000 m².

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