4. Cindy bought a car for $21.330. A few years later, she sold the car for $19,700. Find the percent of change in the value(SHOW WORK)

Answer:-7.64%Step-by-step explanation:1. Find out how much the car went down in value.     21,330 - 19,700 = 1,6302.  Calculate how much 1% of the original value ($21,330) was. One percent is 1/100, which is .01 when divided.     21,330 × .01 = 213.33. Since we now know 1% is equal to $213.30 we can divide $1,630 by $213.30. Doing this will show us how many 1%s are in 1,630.     1,630/213.30 = 7.641819034. There are 7.64181903 1%s in 1,630. Because the car's value went down by 1,630, this also means it went down by 7.64181903% We will round this to the nearest hundredth for simplicity's sake.     7.64181903 → 7.641 one is less than 6 so we will round down → 7.645. The car decreased by 7.64% in value. This will be written as -7.64% because a decrease is negative.