
80/10=8 packages of plates
80/16=5 packages of napkins
80/8=10 packages of cups
So :

?
First, you want to bring everything together on the top of the fraction.
12=24/2 so you can have

Add like terms -- 12 +24 = 36

Now we are at

Which is the lowest possible simplified version while remaining at exact value.
Feel free to check my math! I kinda did this off the top of my head.
Well the square root of 49 is 7 so anything with an absolute value over 7 would work and if it is greater than or equal to, than 7 and -7 also work :)
Net worth is what is owned minus what is owed
first round each number to the nearest ten thousand and than add them up. if the thousands place is 1-4 round it down if its 5-9 round it up. hope this helped!