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

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

anonymous · Answer

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

asevilla5 · Answer

0.2x=72
x=72/02.=360
360(0.8)=288 people 30-40yrs old

x=72/0.2*

so the answer is 288

anonymous · Answer

Thanks!

asevilla5 · Answer

yw