Four elements a, b,c, & d required to produce a drug for ebola virus treatment are to be mixed in a ratio 1: 2: 4: 5 if this information is to be represented on a pie chart, what angle will element c represent on the pie chart?

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.