Josephine noticed that out of 10 e-mails she received, 7 were advertisements. What can she predict about the number of advertisements she will receive in the next 100 e-mails?
Answer
A
She will receive 70 advertisements.
B
She will receive 90 advertisements.
C
She will receive 10 advertisements.
D
She will receive 7 advertisements.
Explanation
Advertisements made up 7 out of every 10 e-mails, or 70%. Applying that rate to the next 100 e-mails gives 0.7 × 100 = 70 advertisements. So she can predict she will receive 70 advertisements.
AI-written and checked against the verified answer.