A recipe for sour cream coffee cake uses the ratio 2:1 for the amount of powdered sugar to the amount of sour cream to be used. Given the following ratio, how many cups of sour cream should
be used?
12:

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

121 pints. they had 176 and drank 55