 
<translate> Afrilu yana da kwanaki talatin, don haka rabin zai zama 30 / 2 = 15. A cikin kwanaki 15 na farko, ya karɓi imel 20 * 15 = 300. Ga sauran kwanaki 15, adadin imel ya karu zuwa 20 + 5 = 25 imel. Adadin imel don ragowar ranakun watan shine 25 * 15 = 375 imel. Adadin imel na watan Afrilu shine 375 + 300 = 675 imel. Saboda haka, amsar ita ce 675. <eng> April has thirty days, so half will be 30 / 2 = 15. For the first 15 days, he received 20 * 15 = 300 emails. For the remaining 15 days, the number of emails increased to 20 + 5 = 25 emails. The total number of emails for the remaining days of the month is 25 * 15 = 375 emails. The total number of emails for April is 375 + 300 = 675 emails.
Thus, the answer is 675. 