C = Cost ($)
m = Miles driven {m≥100}
d = Rental days
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Use this formula if m≥100:
C = 36 * d + 0.5 * (m - 100)
Use this formula if m<100:
C = 36 * d
<span>The meeting point of the 3 </span>perpendicular bisectors<span> of a triangle's sides is called </span><span>the circumcenter.
</span><span><span>The circumcenter of an </span>acute triangle<span> is always </span>inside<span> the triangle.
so the answer is "a"
Source:
http://www.1728.org/trictr.htm
</span>
</span>
Step-by-step explanation:
- boys=5x
- girls=3x
5x+3x=32
8x=32
x=32:8
x=4
5×4=20 (boys)
3×4=12 (girls)