Ashley went to two stores to buy gum. At the first store, they charge $1.50 for three packs of gum. At the second store, they charge $1.20 for two packs of gum. If she spends $6 on gum at each store, how many more packs of gum will she get from the first store than the second store?

The velocity of sound in air is given by the equation , where v is the velocity in meters per second and t is the temperature in degrees celsius. find the temperature when the velocity is 329 meters per second by graphing the equation. round the answer to the nearest degree. show your work.