Question

the amount of milk in a large holding rand is decreased to 12000 gallons. if it is down 40% from last week, how many gallons were in the tank last week?​

Answer 1

Ответ:

20000 gallons

Пошаговое объяснение:

Last week x=100% of milk, this week 100%-40%=60% of milk. Proportion:

x          -- 100%

12000 -- 60%

x=12000*100/60=20000 gallons.