The original 15 people are 10% of the total number of people who received the mail.
Step-by-step explanation:
Given,
Number of people who received mail = 15
Mail further sent to 3 more friends;
Number of people who received mail from 15 people = 15*3 = 45 people
Number of people who received mail from 45 people = 45*2 = 90 people
Total number of people = 15+45+90 = 150 people
Now,
Percent of original people = 
Percent of original people = 
The original 15 people are 10% of the total number of people who received the mail.
Keywords: multiplication, percentage
Learn more about percentages at:
#LearnwithBrainly
Answer:
Answer in order, 12,14, (4,3), x2, 4, 12, 3
Step-by-step explanation:
<u><em>PLEASE MARK BRAINLIEST</em></u>
Use the distribution property for #10
(x+12)(x-5)
=x^2-5x+12x-60
=x^2+7x-60
not too sure abt the others
Answer:
First ones right
Second one wrong
Third one wrong
Fourth one right
Fifth one right
Step-by-step explanation:
I'm pretty sure this is right lol