Answer:
Read explanation:
Step-by-step explanation:
Ed should add 7 and 13 together (making 20) and then divide 140 by 20. That would give him the answer 7
From my own perspective
Try adding the denominator which will give 20 then divide the numerator by the denominator that is 140/20 which will make the correct answer 7.
8 estimate
exact 7.98
3 one ofx+2 And 4th one x4
13
