87,240. I added them both together.
Sum= addition
293 is a prime number, so you can't divide it in factors
11*5*7
385 breaks down to 7 and 55. Bring the seven down. Break 55 down to 11 and 5. Then bring those down and you get 11*5*7
878/3 is 28 with a remainder of 10! The error is when they subtracted 258-248 wrong
Answer:
17 units
Step-by-step explanation:
split the shape into several little ones that you have formulas for :)