How can we write an algebraic expression to describe a two digit number whose unit's digit is 5 less than the tens digit?

43lbs of tomatos cost $387. how much would 41lbs cost

Why is x= 4 a solution to the proportion 14/x 56/1 6

You are living in aldine, tx and you are planning a trip to six flags in arlington, tx. you look on a map that has a scale of 0.5 inches to 30 miles. if the map shows the scale distance from aldine to arlington is 4 inches, how far is the actual distance?