Find a solution for this math problem: In the honey shop, the bulk price of honey is $5 per pound and the minimum spend is $40 before tax. The honey is taxed at $1 per pound. If Penny has paid $240 for honey, by how many pounds has Penny’s purchase exceed the minimum spend?
Including tax, a pound of honey costs 5 + 1 = 6 dollars
The minimum purchase equals 40 / 5 = 8 pounds of honey.
Penny has bought 240 / 6 = 40 pounds of honey
Penny has exceeded the minimum purchase by 40 - 8 = 32 pounds.