Question

HELP ASAP. a social network site recorded that 80% of the people who became members of the site one month were between 30 and 40 years old. The information 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 were between 30 and 40 year of age?

112
288
360
432

Answer 1

0.2x=72
x=72/02.=360
360(0.8)=288 people 30-40yrs old

Answer 2

ok thanks ill let u know if i need help with any more

Answer 3

but r u sure

Answer 4

can u please give me madal?

Answer 5

medal

Answer 6

how do u do it

Answer 7

see were my answer is?

Answer 8

good thank you

Answer 9

thanks

Answer 10

i got one or two more questions can u help with them

Answer 11

post it on questions and I will meet u there

Answer 12

solve for X 4/5x+4/3=2x

Answer 13

if u want I can do it there?

Answer 14

yes plz