Howi usually runs 75 miles each month.

Last month he ran an extra 16 miles. How many miles did he run last month?

1 answer

Howi usually runs 75 miles each month, so he ran a total of 75 miles last month.
With the extra 16 miles, he ran a total of 75 + 16 = <<75+16=91>>91 miles last month. Answer: \boxed{91}.