Answer:
A is the answer.
Step-by-step explanation:
C=2πr
/2π /2π
C/2π=r
<span>zebra fish a then tetras fish (11 – a)
2.2a + 1.85(11 – a) = 22.80
2.2a + 20.35 – 1.85a = 22.80
0.35a = 2.45
a = 7 zebra and 11 – 7 = 4 neon fish
</span>
Find his rate:
120 / 15 = $8 per hour
Multiply the rate by hours:
$8 x 20 hours = $160
He will earn $160
Multiply 0.27 by 100. It will equal 27. Then subtract 27 from 100. The answer is 73%
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