Stella walked 12 miles. Then she walked 1/4 that distance. How far did she walk all together? SELECT ALL THAT APPLY... 12+1/4
12×1/4
12+1/4×12
12×3/4
12+3
12(1+1/4)

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)