Question

fresh mango consists of 70% water and dry mango consists of 10% water then 20kg of fresh mango is equivalent to how much of dry mango

Answer 1

Fresh mango with 70% water has 100 - 70  = 30 ,  30% mango =  0.3 × 20 = 6 -kg mango in 20 kg  of fresh mango  Dry mango with 10% water has 100 - 10 = 90 ,   90% mango 6 = .9x x = 6.667 20 kg of fresh mango is equivalent  to 6.667 kg of dry mango