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Sagot :
Answer:
d.
Step-by-step explanation:
3/12 simplified is 1/4, 4/12 simplified is 1/3. they want to know how much rodney ate total, so simply it's the same as 1/4 + 1/3 ;; just with common denominators so it is easier to solve.
edit: the __ represents the total on how much they ate.
The equation used to describe total amount of sandwich he ate will be
3 / 12 Â + Â 4 / 12 Â = 7 Â / Â 12.
What is an equation?
The equation in mathematics is the relationship between the variables and the number and establishes the relationship between the two or more variables.
It is given that:-
- He ate 1/4 of the sandwich on Monday and 1/3 of it on Tuesday
So the equation to calculate the total amount of sandwiches he ate will be:-
= Â 1 Â / Â 4 Â + Â 1 Â / Â 3 Â
We can also write the above equation as:-
= Â 3 Â / Â 12 Â + Â 4 Â / Â 12
= 7 Â / Â 12
Therefore the equation used to describe the total amount of sandwich he ate will be  3 / 12  +  4 / 12  = 7  /  12.
To know more about equations follow
https://brainly.com/question/2972832
#SPJ2
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