how old was a person exaactly one year ago is exactly x years ago the person was y years old?
choices
y-1
y-x-1
x-y-1
y+x+1
y+x-1
1 answer
I do not understand the question.
choices
y-1
y-x-1
x-y-1
y+x+1
y+x-1
1 answer