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15 POINTS pre algebra I think

15 POINTS pre algebra I think
asked 229k views
20 votes
15 POINTS pre algebra I think

15 POINTS pre algebra I think-example-1
asked
User Vilhelm
by
8.3k points

1 Answer

3 votes

Answer:

28.6 (90% sure)

Explanation:

To solve this work backwards


D_(3)=42


D_(2)=42*.80 = 33.6


D_(1)=33.6-5 = 28.6

answered
User Diskdrive
by
8.5k points
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