The surface area of a sphere depends on its radius, so the area is a function of the radius. If this function is called A(r), use the formula below to compute
A(5), the area of a sphere with a radius of 5 units.
A(r) = 4pier²

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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step-by-step explanation:

you could deduce the conclusion directly using the facts pertaining to the specific situation.

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