Write an algebraic equation for the following problem and then solve it.A landscaping company needs 180 gallons of 24% fertilizer to fertilize the shrubs in an office park. They have in stock 30% fertilizer and 20% fertilizer. How much of each type should they mix together?Let x = the number of gallons of 30% fertilizer to be used. Write an expression, in terms of x, that is equal to "180 gallons of 24% fertilizer".(Use integers or decimals for any numbers in the expression.)They should use ______gallons of 30% fertilizer and______ gallons of 20% fertilizer.