dirk sold 7 more than 2 times as many gym memberships this month than last month. this month he sold 43 memberships​

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

What number is 7 units left of -15?

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6