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Carefully arrange 12 rows with 8 coins in each row.
Two coins at each vertex.
Two ways only. 4 rows with 25 stamps each or 5 rows with 20 stamps each.
You are arranging 70 plants in a rectangular garden with the same number of plants in each row. How many ways can you arrange the garden
by 2 rows
in the form of a start
19 plants in 9 row
8 ways
30 * 10 = 300 total plants.
Contour plowing is a soil conservation technique where farmers plow along the contour lines of a slope to prevent soil erosion, while crop rotation involves systematically planting different crops in the same field over time to improve soil fertility, prevent pests and diseases, and increase crop yields. Both practices aim to sustainably manage farmland and promote healthy soil, but they address different aspects of agriculture.
120 different ways.
18
No.
They first plow their fields along the curves of a slope. Then they disturb the soil and its plant cover as little as possible. Last they the farmer plants different crops in a field each year.
Harvesting 189 potatoes from 9 plants means that each plant gives 189/9 or 21 potatoes. Therefore, 14 plants should give us 14 x 21 or 294 potatoes.