Question

After reading 80\%80% of her e-mails in her inbox, Danette still has MM unread e-mails. Which of the following expressions could represent the number of e-mails Danette had in her inbox before she started reading?

Answer 1

Answer:

Step-by-step explanation:

Suppose total number of emails are n;

80% of n mails are reading by Danette;

So total mails read by Danette are=(80/100)n=0.8n

Still there are MM unread emails

So the total number of mails before she started reading is

n=0.08+MM