Respuesta :

kudzordzifrancis
First you should be able to figure out that,
[tex]10 {}^{2} = 10 \times 10 = 100[/tex]


So Mr Gabriel bought 100 packages.

Since each package contains 15 pens,

Total number of pens
[tex] = 100 \times 15 \: pens[/tex]
[tex] = 1500 \: pens[/tex]

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