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ad-work [718]
3 years ago
13

Shelley spent 17 minutes washing the dishes. She spent 38 minutes cleaning her room. Explain how you can use mental math to find

how long Shelley spent on the two task.
Mathematics
2 answers:
ddd [48]3 years ago
5 0
Ew, mental math... so basically, we would estimate the washing dishes to 20 minutes, and cleaning 40 min, 
together 20+40 min
 
is 60 minutes, aprox 1 hour

Shelly spent almost 1 hour cleaning
denis23 [38]3 years ago
4 0
Well what i understand this question is saying how much it is in total so you add them up and it would be 55
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There are <em><u>25 danishes </u></em>contain cream filling

<h3>Further explanation</h3>

The percent is a number that shows a comparison of the number 100 or can be called per hundred (symbol%)  

Formula used:  

\large{\boxed{\bold{Percentage\:=\:\frac{Total\:Section}{Total\:Amount}\:\times\:100\percent}}}

Fractions either proper or mixed (consisting of numerators and denominators) or decimal forms

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One way to convert proper fractions to percent forms is by multiplying the fraction by 100% or By changing the denominator to 100 because percent is the percent. Multiply the numerator and denominator with the same number

35% from Several trays of danishes are filled with cream

There are four (4) trays

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  • Total danishes :

\displaystyle =18\times 4\\\\=72\:danishes

  • 35% are filled with cream

\displaystyle = \frac{35}{100}\times 72\\\\=\boxed{\bold{25.2}}

Round up to<em><u> </u></em><em><u>25 danishes</u></em>

<h3>Learn more</h3>

find the percent  

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Keywords : cream filling, danishes, trays, breakfast

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