Respuesta :
Find the unit rate. Divide 1/4 mile by 1/14 hour:
1/4 mile 1 14 mi
------------ = ---- * ----- ------ = 7/2 mph (or 3 1/2 mph).
1/14 hr 4 1 hr
1/4 mile 1 14 mi
------------ = ---- * ----- ------ = 7/2 mph (or 3 1/2 mph).
1/14 hr 4 1 hr