Casey likes to run. she runs an additional 1/4 mile each day. on the last day, she ran 1 1/4 miles. if she ran 1/2 mile her first day, for how many days has she been running?

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?