It takes a smaller hose twice as long to fill a small pool as it does a larger hose. it takes both hoses working together 40 minutes to fill the pool. how long will it take the smaller hose to fill the pool by itself?

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?