Answer:
4b+8 = 20
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4b = 20
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b = 5
Step-by-step explanation:
We need to solve for b in the following equation:

When we multiply each term by 2 the denominator cancels out:

Next, we subtract 8:

Final step, we isolate the variable. We cancel the multiplication on the left side when dividing by 4 on each term

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Answer:
36
Step-by-step explanation:
10% of 360=10/100*360=1/10*360=360/10=36
Answer:
closest answer = 81
Step-by-step explanation:
81/27 = 3
81/30= 2.7
81/45 = 1.8