Question

Samuel used 1/5 of an ounce of butter to make 1/15 of a pound of jelly.how many ounces of butter are needed to make a pound of jelly

Answer 1

you need to know what 1/15 = (1/5 butter) then you need to do that 15 time to get 15/15 so 1/5 x 15 = 15/5 simplify = 3