POPULATION OF CHINA IS 1.5 BILLION WHILE OF INDIA IS 1.3 BILLION POPULATION OF CHINA IS INCREASING 0.001 BILLION EACH YEAR, WHILE POPULATION OF INDIA IS INCREASING BY 0.002 EACH YEAR. AFTER HOW MANY YEAR POPULATION OF
TWO COUNTRIES WILL BE SAME ?

Please help

Ken leaves work 20 minutes late. he decides to make up time by taking the toll road instead of side streets. he can travel three times faster by taking the toll road. create an equation to represent his total travel time, including wait time, where x is the number of minutes the drive was expected to take