 
 <translate> 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. <ibo> Eprel nwere ụbọchị iri atọ, yabụ ọkara ga-abụ 30 / 2 = 15. N'ime ụbọchị 15 mbụ, ọ natara ozi ịntanetị 20 * 15 = 300. N'ime ụbọchị iri na ise fọdụrụnụ, ọnụọgụ ozi ịntanetị mụbara ruo 20 + 5 = 25 ozi ịntanetị. Ọnụ ọgụgụ nke ozi ịntanetị maka ụbọchị ndị fọdụrụ n'ọnwa bụ 25 * 15 = ozi ịntanetị 375. Ọnụ ọgụgụ nke ozi ịntanetị maka Eprel bụ 375 + 300 = 675 ozi ịntanetị. N'ihi ya, azịza ya bụ 675. 