Answer: N=800/5
N=160
He needs to save $160 every week to get $800 in 5 weeks
hope this helps.
If x=n then it would have 2 solutions because it would be x^2 = c which has a positive and negative solution but idk if that is what you are asking for
Answer:
x = c - b
Step-by-step explanation:
c = x + b
Subtract b on both sides,
c - b = x + b - b
c - b = x
x = c - b
Hence, solved.
Answer:
1 9/11
Step-by-step explanation:
1.81 repeating is the equivalent to 1 9/11