john has $1,000 in his bank account. each month he deposits $150 y=150x + 1000 determine what is the independent and dependent variable

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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i believe that the answer is

b. y-1=-2(x-4)

hope this !