Patti's Pet Palace has an 85-gallon fish tank. When it needs to be cleaned, it can be drained at a rate of 2 gallons per minute. Assuming the tank was full, and x represents the number of minutes the tank has been draining, which of the following equations represents the amount of water in the tank after x minutes?

Roger gets \$40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day. his daily earnings goal is $112 write an equation to determine how many pairs of shoes, p, roger must sell in a day to meet his daily earnings goal. find the number of pairs of shoes he must sell to meet his daily earnings goal.