# geologistis studvinalwo typo of sand. She takes one rain of sand from Sample A ano
measures the diameter
* 3x10 m. She takes one grain of sand from Sample B and
measures the diameter as 2 x10m
a) Which sample has the le
rger grain of sand? Briefly explain
b) How many times greater is the diameter of the larger grain of sand than the diameter Of
the smaller grain of sand?
snow your Work

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?