Acity water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from the tank so that it has 2/5 of the water that it started with?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

The population of a city has increased by 35% since it was last measured. if the current population is 86,400 what was the previous population

#5 points possible: 3. total attempts: 5 using your calculator, find the range and standard deviation, round to two decimals places: the table below gives the number of hours spent watching tv last week by a sample of 24 children. 76 57 89 73 88 42 31 46 80 42 38 57 49 50 89 36 69 82 27 88 39 89 95 18 range = standard deviation =