Ask a math problem: After soybean is bred into bean sprouts, the weight can be increased by 7.5 times. If you need to get 4250 kilograms of bean sprouts, how many kilograms of soybeans do you need?
Setting: X kilograms of soybeans are needed.
X*( 1+7.5)=4250
X =500
It needs 500 kilograms of soybeans. .......
Simply put, it is 4250/( 1+7.5)=500 (kg).