Joe's grandma is making him a costume for a play. She has 5.25 yards of flannel fabric and needs strips that are 0.75 yards long. How many strips can she cut out of her flannel fabric?

Ithink if im not mistaking b is -3 but im not a 100% sude

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