Sam buys two pens and four packages of pencils. If he spent a total of $15,
and each pen costs $3.50, write and solve a liner equation to find the cost
of a package of pencils. *

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

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