Amanda bought 40 books. Amanda bought 8 times as many books as Hong. Let b be the number of books that Hong bought. (a) Write an equation that relates the number of books that they bought.
Use 8, b, and 40.
40 = b x 8
(b) Find b.

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