John's sister went shopping with him. She expected to spend $100 on clothes, but spent only $10. John wanted to help her calculate the percent error, but he thinks he may have made a mistake. Are his calculations below correct? Why or why not? Ratio = |$100 − $10| $90 = 10 90 ≈ 11%

Answer:Josh is incorrect.Step-by-step explanation:His percentage error is wrong because he calculated 11% instead of 10%. Since we are subtracting 90 from a whole of 100, 100-90=10 or 10%.