12*500 i dont feel like doing this rn

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%