Hi please help i’ll give brainliest please

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Subject: geometryneed with 6 and 7

The first and second steps to solve the equation 3x/5 + 5 = 20.are shown below 3x/5 + 5 - 5 = 20 - 5 3x/5 (5/3) = 15 (5/3)a.addition property of equality b.subtraction property of equalityc.multiplication property of equalityd.division property of equality