A family spent $86 per week for food. This was 20 percent of its weekly outcome. What was its weekly outcome?
2 answers:
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Answer:
A
Step-by-step explanation:
A) r = 8
B) r = 4
C) r = ~ 3.09
D) r =
Circle A has the largest radius, and thus is the largest circle
Given:
The equation is
To find:
The error and correct solution.
Solution:
We have,
Add 16 on both sides.
Divide both sides by -5.
Third step is incorrect because he divide the equation by 5 instead of -5.
Therefore, the correct solution is .