A8.5 is the answer. because the decimal form is 1.7 and you multiply that by 5, giving the answer.
B) The answer is 41.25. If there is 8.5 yard of fabric, that's 8 x 5 = 40 and then the .5 x 2.5 = 1.25. So the answer is 41.25 if I am correct
let me know if you got them right! Have a good day!
