Answer:
i think a
Step-by-step explanation:
The total is 6400, but if subtracted, its 1400
45+x=y 45 minutes to get ready plus x time spending getting dressed equals y (the total time to get ready for school)
Im sure this means add because on a number line when you move to the right its adding. And since the amount of units were moving up by is 6 we would add 0+6 which equals 6.