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17 votes
17 votes
Andrea and Damian are collecting clothing items to donate. When they begin tracking their progress, Damian already has 5 items collected. Damian's goal is to collect 3 items per day, and Andrea's goal is to collect 4 items per day.

User Tometzky
by
2.6k points

1 Answer

19 votes
19 votes

Answer:

5 days

Explanation:

Given

Damian


Base\ Items = 5


Rate = 3 daily

Andrea


Rate =4 daily

Required [Missing from the question]

How long will they get the same number of items

Represent the number of items with x and the days with y.

So:

For Damian


y = Base\ Items + Rate * x


y = 5 + 3 * x


y = 5 + 3 x

For Andrea


y = Rate * x


y = 4* x


y = 4x

Equate both expressions.


4x = 5 + 3x

Collect like terms


4x - 3x = 5


x = 5

Hence, they will have equal amount of items after 5 days

User Julien Blanchard
by
2.7k points
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