Question

Sam has to pay a 15% tax on a boat that cost him $500. He believes he can determine the tax he owes using the calculation: 15x5

Explain why Sam is correct.




Rafael’s mortgage payment on his home went up by $117 last month, which represented an increase of 6.5%. What was Rafael’s mortgage payment before the increase?

Answer 1

Explanation:

because 15×500÷100 and you throw away all zero and you got it 15×5÷1= 15×5

Rafael 100×117÷106.50= 109.86