Leila's father used six-tenths of a full tank of gasoline on their trip. Nine gallons were used. About how many gallons does the tank hold?

Ihonestly don’t understand this at all

Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a