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Yuri [45]
3 years ago
9

3 × 5/8 + 3,200 ÷ 3?

Mathematics
1 answer:
MariettaO [177]3 years ago
6 0

\bf 3\times \cfrac{5}{8}+3200\div 3\implies \stackrel{\stackrel{ 3\times \frac{5}{8}}{\downarrow }}{\cfrac{15}{8}}+3200\div 3 \\\\\\ \cfrac{15}{8}+\stackrel{\stackrel{3200\div 3}{\downarrow }}{\cfrac{3200}{3}}\implies \stackrel{\textit{using an LCD of 24}}{\cfrac{(3)15+(8)3200}{24}}\implies \cfrac{45+25600}{24} \\\\\\ \cfrac{25645}{24}\implies 1068\frac{13}{24}


recall MD are first, from left to right, and lastly AS, also from left to right.

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The first function has an initial value of 0.5, so is not correct.

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You can realize that the multiplier will be 0.5% less than 100%, so will be 99.5% = 0.995. This number shows up only in the third selection.

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