B
Explanation:
Solve for n:
Subtract 8 on both sides.
5n + 8 = 30
-8 -8
Divide by 5 on both sides.
5n = 22
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5 5
Getting a solution of 4 2/5.
n = 4 2/5
Check:
5(4 2/5) + 8 = 30
22 + 8 = 30
30 = 30
300pi
step-by-step explanation: