Rates - Page 8

Questions
  • A swimmer swims 4 laps in 3 minutes. What is the swimmer's unit rate?
  • Ken needs to buy a new dining room chair. Two stores sell the same chair. Discount Tables sell six chairs for $321. Chloe's sells four chairs for $223. What is the lowest price per chair?
  • What is the unit rate of #(80 oz)/(2.5 servi ngs)#?
  • What is the unit rate of #($161)/(7 shares)#?
  • About #7/10# of the surface of Earth is covered by water. The rest of the surface is covered by land. How much of Earth's surface is covered by land?