Si f(x)=1/x demuestra que f(a) - f(c)=f(ac/c-a)

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

pls mark as brainliest.

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce

i think it would be c

mark brainliest if im right

step-by-step explanation: