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#35865

money

arithmetic

mixtures

medium

120 sec

A farmer mixes two types of fertilizer, Fertilizer X and Fertilizer Y, to create a blend. Fertilizer X contains 15% nitrogen, and Fertilizer Y contains 40% nitrogen. The farmer uses 30 kilograms of Fertilizer X. If the resulting blend is 25% nitrogen, what is the total mass, in kilograms, of the blended fertilizer?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.