Leslie surveyed her classmates to find out which instrument they like best. She wants to make a circle graph to display the results. What percent of those surveyed chose the piano?

Favorite Instruments
Instrument
Votes
guitar
10
piano
12
flute
6
trumpet
4
12%
20%
32%
38%

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.