to find the elasticity of a good, divide the percentage change in the quantity demanded by the percentage change in price. Review this formula and the formula for finding the percentage changes for prices and for quantity demanded use the formulas to calculate the elasticity of demand in the following cases. identify whether demand is elastic, and elastic, or unitary elastic. when the price of a car wash rises from $10 to $11 the number of daily customers jobs from 60 to 48 but a dentist with 80 patients cuts his fee for a cleaning from $60 to $54 and attracts two new patients please help asap I'll mark brain really need help!​