Agiraffe is 18 feet tall and casts a shadow of 12 feet. corey casts a shadow of 4 feet. how tall is corey

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

Brent wants to know what is 5 x 1/2

Ithink i know it but i want to be sure so can you me out ?