Howi usually runs 75 miles each month. Last month he ran an extra 16 miles. How many miles did he run last month?

59
59

81
81

134
134

166
166

none of these

None of these.

To find out how many miles Howi ran last month, we need to add his usual monthly distance to the extra distance he ran.

Usual monthly distance = 75 miles
Extra distance = 16 miles

Total distance = Usual monthly distance + Extra distance

Total distance = 75 miles + 16 miles

Total distance = 91 miles

Therefore, Howi ran 91 miles last month.

To find out how many miles Howi ran last month, we need to add his usual monthly distance of 75 miles to the extra 16 miles he ran.

75 + 16 = 91

Therefore, Howi ran 91 miles last month.

However, none of the options provided match this result, so it seems there may be an error in the options or the question.