Question

A social networking site recorded that 80% of the people who became members of the site one month were between 30 and 40 years old. The equation below represents this information, where x represents the total number of people who became members of the site that month. :

x = 0.8x + 72

How many people who became members of the site that month were between 30 and 40 years of age?

112

288

360

432

Answer 1

x - 0.8x = 72
0.2x = 72
Solve for x

Answer 2

so whats the awsner

Answer 3

yes I got 14.4

Answer 4

sorry 72 divide by 0;.2
and that's the answer.

Answer 5

thanks bro

Answer 6

np bruh