Answer:

Step-by-step explanation:
Let total meal served

54 or it 180 i got 54 by adding 30 and 24in and got 180 by multiplying
Answer:
11m + 4n
Step-by-step explanation:
when two numbers with the same variable are added together or subtracted the result is just the numbers added or subtracted. So you can add 6m and 5m to get 11m. and you can subtract 3n from 7n to get 4n
11m + 4n
Answer
sheeesh
Step-by-step explanation:
sheeeeeeeeeeeeeeeeeeeeeeeeesh
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
x=10,−1