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3 years ago

9

Karlie painted a portrait. The height of the portrait measures 14 inches. The width is half as long as the height. What is the a

rea of the portrait

2 answers:

natima [27]3 years ago

7 0

The answer is 98 because half of 14 is 7 (14/2). And since 10*7=70 and 4*7=28, 70+28=98. There is your answer. And explained.

NISA [10]3 years ago

6 0

14 times 7, so 98 square inches

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$\bf \begin{array}{cllcl} 14x&-13y&=&4\\ -15x&+13y&=&-124\\\cline{1-4} -x&&=&-120 \end{array}~\hfill x=\cfrac{-120}{-1}\implies \blacktriangleright x=120 \blacktriangleleft \\\\\\ \stackrel{\textit{substituting on the 1st equation}}{14(120)-13y=4}\implies 1680-13y=4\implies 1680-4=13y \\\\\\ 1676=13y\implies \blacktriangleright \cfrac{1676}{13}=y \blacktriangleleft \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \left( 120~,~\frac{1676}{13} \right)~\hfill$

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