Question

Charla and David are observing the leaf growth rates of their plants. Charla’s plant starts on day 1 with 43 leaves and gets 1 new leaf a day. David’s plant starts on day 1 with 27 leaves and gets 5 leaves a day.
How many days will it take David’s plant to have as many leaves as Charla’s plant?

7

4

9

8

Answer 1

after 4 days David would have 42

Answer 2

Let \(d\) be the number of days needed.
\[43+d=27+5d\]

Answer 3

Nope 3 days sorry

Answer 4

by day 7 David has 62 leaves

Answer 5

Let \(d\) be the number of days needed.
\[\large\begin{array}{rl}43+d&=&27+5d\\16&=&4d\\4d&=&16\\d&=&4\end{array}\\\therefore\mbox{4 days are needed.}\]

Answer 6

so wouldnt the answer be 4

Answer 7

You get it