Write and solve four different word problems for 21 divided by 4

A man has 21 sheep, one out of every 4 are red, how many are red
21/4 = 5.25

A man has 21 bricks he glues every 4 pieces together how many pieces does he have now
21/4 = 5.25

A man has 21 kids, he only keeps 1 ojut of every 4, How many kids did he keep
21/4 = 5.25

A dog sees 21 rabbits he kills 3 out of every 4, how many left?
21/4 = 5.25

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