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Vlad [161]
3 years ago
14

For a science report, Doug is measuring widths of mushrooms with a ruler that divides inches as shown. To determine each width,

he rounds the measure to the nearest tick mark. Ruler with eighth inches marked Which measures could be part of Doug’s report? Choose all answers that are correct. in. in. 5.25 in. 6.5 in. 7.1 in.
Mathematics
1 answer:
Serga [27]3 years ago
7 0
From the 3 options listed, both 5.25 in and 6.5 in could be measures found using a ruler with eighth inches marked, because those decimals can be written in terms of eighth fractions.

5.25 $in $ \rightarrow (5 + 0.25) $in $ \rightarrow (5 +  \frac{2}{8} ) $in$ \\ 
6.5 $in $ \rightarrow (6 + 0.5) $in $ \rightarrow (5 +  \frac{4}{8} ) $in$

The other option, 7.1 in, is not a possibility because 0.1 cannot be written as a fraction of 8 that is marked on the ruler.
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