10/12 - 9/12 = 1/12 is the answer. you had to change the denominator so that they are the same
30 divided by 6=5
5 x 6 = 30
%20
30x + 30y = 450
20x + 25y = 345
answer: 3 square ft per minute
Answer:
i dont understand what the question means
Step-by-step explanation:
