During the tree planting day, a total of 834 trees were planted in the two schools. The number of trees planted in Haishi middle school was three times less than that in Lidong middle school. How many trees were planted in each school?

During the tree planting day, a total of 834 trees were planted in the two schools. The number of trees planted in Haishi middle school was three times less than that in Lidong middle school. How many trees were planted in each school?

Let Lidong middle school plant x trees. According to the meaning of the question, x + (2x-3) = 834, the solution is: x = 279, then 2x-3 = 2 × 279-3 = 555. Answer: Lidong middle school plant 279 trees, Haishi middle school plant 555 trees

What's the meaning of Arbor Day

The logo of tree planting Festival is a symbol of moral generalization. The logo of China tree planting Festival is 1. Tree shape means that the whole people are obliged to plant 3 to 5 trees, and everyone can do it to afforest the motherland. 2. "China tree planting Festival" and "3.12" mean the determination to transform nature, benefit mankind, plant trees year by year and persevere

Why can forests prevent soil erosion?

According to the research, the forest land has only one centimeter of litter layer, which can reduce the amount of sediment loss by 94%. The water storage capacity of forest land is 2 × 104kg more than that of non forest land. The forest is a natural water storage reservoir. When the root system of trees in soil reaches 1m deep, the water storage capacity of forest per hectare is is 2 × 104kg more than that of forest land