I think the answer would be 1.
50$ per month for 12 years would mean she spent only (50 x 12) 600$ per year.
She actually spent $711, her forecast was off target by (600-7111) $111.
She exceeded her budget by $111
Step-by-step explanation:
Given
w(x) = - 3x - 4
Now
w(7) = - 3 * 7 - 4
= - 21 - 4
= - 25
Hope it will help :)❤
$x=213$
For first six weeks she saved 213$
Now
For next 6weeks

Total savings:-
.
Answer:
10% of 2,000=200
Step-by-step explanation:
The mistake she make was that she used the wrong kind of math to get the answer