Answer:
8
Step-by-step explanation:
31 divided by 4 is 7.75. you cant have 7.75 boards so youd have to round up to 8
Answer:22
Step-by-step explanation:
22-17=5. 5x-5=-25!
Cause you have the slashes and 2/4/5/6/7and 3/4/5/6/7
To solve this, you must subtract .56 from -1.64. Then divide that by -5.5x. So the answer is .4