Mary and carl drove to the store to shop. their trip to the store and back home is graphed here. what was their average speed on the way home from the store?
a)
30 km/h

b)
40 km/h

c)
60 km/h

d)
cannot tell from this data.

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

Depends by how many apples are in a case