Equivalent fractions
write the missing values to show pairs of equivalent fractions.
2/3-5 1/2-50 4/-3/12 1/5-10 6/5-10 3/-30/100

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)