مسألة لو سمحتم أريد الحل حالا

[devil]

a manufacturer of soft drinks adevertises their orang soda as ( naturally flavored ) although it contains only 5% orange juice . anew fedral regulation stipulate  that to be called ( natural a drink must contain at least 10% fruit juice . how much pure orange juice must this manufacture add to 900 gal of orange soda to conform to the new regulation?'>?