Question

A social networking site recorded that 80 per-cent of people who became members of the site one month were between 30 and 40 years old the equation below represents 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 wants where between 30 and 4 years of age

Answer 1

Answer:

x=360          30-40 yrs =288

Step-by-step explanation:

multiple 72 by .05 (36) to find 10 percent, then multiple 80 percent by that number(36) then add both numbers together to get total number of members that month

(72x.05)=36x2+(.80x36)=288

288+72=360