<u><em>3.95(3) + 8.95b = 47.65</em></u>
<u><em>11.85 + 8.95b = 47.65</em></u>
<u><em></em></u>
<u><em>Subtract 11.85 from both sides.</em></u>
<u><em></em></u>
<u><em>8.95b = 35.8</em></u>
<u><em></em></u>
<u><em>Divide 8.95 from both sides.</em></u>
<u><em></em></u>
<u><em>b = 4</em></u>
<u><em></em></u>
<u><em>Hugh bough 4 books.</em></u>
<u><em></em></u>
Answer:
26
Step-by-step explanation:
Answer:
20 feet
Step-by-step explanation:
35 - 15 = 20
Answer:
f(9) = 72
Step-by-step explanation:
f(9) means what is the value of f(x) when x = 9
9 > 6, thus f(x) = 8x
f(9) = 8 × 9 = 72