Question

There is a bridge every two miles. The first bridge is at the beginning of a 139-mile stretch of highway. Fine how many bridges there are over 139 miles of highway

Answer 1

68

Explanation:

139-2=137

that is for the bridge you start off with...

137/2

Divide 137 by 2...

Answer 68

Hope that helps

Answer 2

the answer is 69.5 because all you have to do is 139/2