<span># of books = 4 ; original cost = 4*9=36; savings = 0.10*36= 3.60
</span>
<span># of books = 2 ;original cost = 2*20=40; savings = 0.20*40= 8.00
</span>
<span>Percent savings:
original total cost=$76
Total savings = $11.60
Percent savings: 11.60/76 = 0.1526..= 15.26%</span>
It would be the last one to add up to 180 witch is a triangle or supplementary
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Divide 2112 by 24 and 22 to find your answer.
the answer is 4.
brainlisest please.
Answer:
um The picture is not clear send it again please
