In a college parking lot, the number of or the aluminum sphere must be larger in volume to compensate for its lower density. its density is roughly one-third as large, so we might guess that the radius is three times larger, or 11.91 cm. maybe you can think of reasoning that would give a better guess. nary cars is larger than the number of sport utility vehicles by 50.0%. the difference between the number of cars and the number of suvs is 13. find the number of suvs in the lot. suvs