Elah wants to buy a package of pizza dough to make some pizzas. One package has 8 oz. and costs $1.99. Another costs $2.89 for a 14 oz. package. What is the difference in cost, in dollars, per ounce between the two packages?

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.

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maya’s expression will generate the wrong sum because she violated the commutative property.

step-by-step explanation:

d. corresponding side lengths in similar triangles are proportional in length.

step-by-step explanation: