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A man has 220 cigarettes and smokes k of them each day. How many will he have left a week later? (a) 220 +k (b) 220-k (c) 220+7 (c) 220-7k (d) 220K​
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A man has 220 cigarettes and smokes k of them each day. How many will he have left a week later?

(a) 220 +k
(b) 220-k (c) 220+7
(c) 220-7k
(d) 220K​

User J Wynia
by
5.1k points

2 Answers

14 votes
The answer is C (220-7k)

one week = 7 days.

“k of them each day” meaning 7(k) for the week.

since he is losing cigarettes by smoking them, it should be subtraction.

220 - 7k
User Dhruvi
by
5.9k points
9 votes
Answer: I believe it is C

Reason: 220 cigarettes - 7days times k
User Chris Gong
by
4.8k points
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