Louis borrowed $500 from his bank. his bank will charge louis 8% simple interest per year to loan him the money. if he paid back the total amount he
owed the bank, including interest, in 6 months, how much should he have paid?
a. $20
b. $40
c. $520
d. $540

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.

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?