3 years ago

How do I solve this problem if x mean the missing number? 16\3 = 12\x

1 answer:

3 0

Set this up as a fraction, then cross multiply and solve. In our case, cross multiplying will get us 16x=36, which gets us x=9/4.

:)

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

Serga [27]

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.