Answer:
3m-3n
Step-by-step explanation:
We want to simplify the expression;
2m - [n - (m - 2n)].
We expand the parenthesis to obtain;
2m - (n - m + 2n)
2m - ( - m + 3n)
Expand further to get;
2m +m -3n
Combine the first two terms;
3m-3n
Answer:
5 pennies
Step-by-step explanation:
A nickel is 5 cents, and one penny = one cent. So, there needs to be 5 pennies for it to equal 5 cents.
X=100
360-63= 297
297-80=217
217-100=117
117/3=39
Answer:
40 hours
Step-by-step explanation:
1800 divided by 45 equals 40 hours. To check your answer you can do 45 times 40.
Hope this helped.
