Tim needs 18 pens. he can buy them in packages of 6,9, or 12. he will buy only one type of package. which packages could tim buy? write two different ways that tim could buy exactly 18 pens

He could buy 3 packs of 6
or 2 packs of 9

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