the manager at a health foods store mixes a unique superfruit juice cocktail that costs $ 1399.45 per litre to make . the cocktail includes mixed fruit juice and a ç ai berry juice , which cost $ 262.85 per litre and $ 3104.35 per litre , respectively . the manager has already opened 33 litres of the mixed fruit juice . how many litres of the a ç ai berry juice does he need to add ?
262.85 ( 33 ) + 3 , 104.35 x = 1 , 399.45 ( 33 + x ) solve the equation . 262.85 ( 33 ) + 3 , 104.35 x = 1 , 399.45 ( 33 + x ) 8 , 674.05 + 3 , 104.35 x = 46181.85 + 1 , 369.45 x 8 , 674.05 + 1 , 704.9 x = 46181.85 1 , 704.9 x = 37 , 507.8 x = 22 answer is b .
divide(subtract(multiply(33, 1399.45), multiply(33, 262.85)), subtract(3104.35, 1399.45))