Respuesta :

n*(21/100)=(700/100)

n=(700/100)/(21/100)

n=(700/100)*(100/21)

n=700/21

n=33+1/3

So thirty three $0.21 pencils can be purchased for $7.00.
mel2169

You can divide $7.00 by $ .21

7 ÷ .21 = 33.3333333

 So you can buy 33 pencils for $7.00

Hope this helps you. :-)