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2 years ago

What is the most reasonable estimate for 54% of 168 A:8.4 B:46 C:84 D:110

2 answers:

8 0

Just by estimating, 54% is a little over 1/2 of 168. You know by that, that neither A or B is close. The real answer is 90.72, so if your instructor wants you to round up, it would be D

Makovka662 [10]2 years ago

6 0

C 84. In a quick number crunch your first move is to find 50% of 160 which is 80. The only number above half is 84 so since we need 54% then 84 is the correct answer

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The height of tower A is 852 feet more than tower B. The two towers have a combined height of 1,824 feet. What are the heights o

RUDIKE [14]

$\bf \textit{A is 852 feet more than tower B}\implies a=b+852
\\\\\\
\textit{The two towers have a combined height of 1,824}\implies a+b=1824\\\\
-------------------------------\\\\
\begin{cases}
\boxed{a}=b+852\\
a+b=1824\\
----------\\
\boxed{b+852}=1824
\end{cases}
\\\\\\
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