Listen ducky:
160-140=20
140-110=30
110-70=40
70-20=50
20+30+40+50+10 (we need to add 10 on every part because of the question), so 10+10+10+20+30+40+50=170
The answer is D, my dear duck
Answer:
D (i hope)
Explanation:
When you minus the highest to the lowest it is added by 10 so
160-140= 20
110-70= 40
70-20= 50
I had added 10 to 160 and got 170
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