3) Cole has answered 18 emails. This is 30% of emails he must answer. How many
emails does he need to answer?

He needs to answer 6 mails.

Step-by-step explanation:

Given,

The number of mails = 18

Among them, he needs to answer 30% of mail.

To find the number of mails he needs to answer.

Formula

Of represents multiplication

Now,

The number of mails he needs to answer = 30% of 18

= 30% × 18

= × 18

= 5.4

So,

He needs to answer 6 mails.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

ghjmutmum

step-by-step explanation: