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Alika [10]
3 years ago
5

In a box of 720 pens,40% of the pens are blue. how many blue pens are there in the box?

Mathematics
2 answers:
dybincka [34]3 years ago
8 0

Answer:

\huge{ \fbox{ \sf{288}}}

Step-by-step explanation:

\star{ \text{ \: Given \:  : }}

\hookrightarrow{ \sf{Total \: number \: of \: pens \:  =  \: 720}}

\hookrightarrow{ \sf{Percentage \: of \: pens \: that \: are \: blue \: in \: colour \:  : 40\% \: }}

\star{ \text{ \: To \: find \:   \sf: Total \: number \: of \: blue \: pens}}

\mathfrak{Let's \: solve} :

\mapsto{ \sf{ \:40 \: \% \: of \: 720}}

\text{Step \: 1 \:  : } Convert percentage into fraction.

To convert the percent into a fraction, divide it by 100 and remove the % symbol.

\mapsto{ \sf{ \frac{40}{100}  \times 720}}

\text{Step \: 2 \:  : } Multiply

To multiply one fraction by another, multiply the numerators for the numerator , and multiply the denominators for its denominator and reduce the fraction obtained after multiplication into lowest term.

\mapsto{ \sf{ \frac{40 \times 720}{100} }}

\mapsto{ \sf{ \frac{28800}{100} }}

\mapsto{ \sf{ \frac{288 \cancel{00}  }{1 \cancel{00}} }}

\mapsto{ \sf{288}}

There are 288 blue pens in the box.

Hope I helped!

Best regards! :D

~\sf{TheAnimeGirl}

romanna [79]3 years ago
4 0

Answer:

<em><u>blue</u></em><em><u> </u></em><em><u>pens</u></em><em><u>=</u></em><em><u>288</u></em>

Step-by-step explanation:

<em>blue</em><em> </em><em>pens</em><em>=</em><em>720×40%</em>

<em>blue</em><em> </em><em>pens</em><em>=</em><em>720×40/100</em>

<em>blue pens</em><u>=</u><u>288</u>

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