Answer:69
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
from the question,you get an expresion of
6n-5= n + 10
5n = 15
Isolate n
5n/5 = 15/5
n+3
In system A, the first equation multiply by 4
8x - 4y = 12 (1st)
3x + 4y = 10 (2nd)
--------------------add
11x = 22
So answer is B.
She bought 15 packages. You divide 86 by 6, but there is a remainder. pay no attention to it though, just add 1 to the answer.