It wants to know how much one tshirt is. Susan did the problem wrong, they want to know if know how to do it right. She should have divided $12.75 by 3 not subtracted $2. :) I hope this helps :)
Answer:
c.
Step-by-step explanation:
because on you have to add 4 to the number above. so 3+4 equals 7 so you move 4 spaces to the right on the number line to get you 7. so C is the correct answer
Answer: -1/2 is the correct answer
Step-by-step explanation:
(-5/8)+(1/8)
=((-5+1)/8)
= -4/8
=-1/2
If xy=0
assume that at least x or y=0
3(x-3)=0
therefor
3=0 or x-3=0
3=0 is false
therefor
x-3 mus equal zero
x-3=0
add 3 to both sides
x=3
