Math Question
![Solvinq RW Svstems of Equations via Substitution
Nick has planted 20 flowers. He can plant 7 an hour. Rachel can plant 10 flowers an hour, but she has only planted 5 . How many hours (h) will it take Rachel to catch up with Nick?
\[
\begin{array}{l}
f=7 h+20 \\
f=10 h+5
\end{array}
\]
[?] hours](https://d3hlidq5bf9vg0.cloudfront.net/stunitas/0119/JiSNFFBSNsoWpcAZXjQxZ13DnsbrV4HNJ4nG7NWu8hh0f8ZKo1DZCURjUkq1ADVe_q.jpg "Solvinq RW Svstems of Equations via Substitution
Nick has planted 20 flowers. He can plant 7 an hour. Rachel can plant 10 flowers an hour, but she has only planted 5 . How many hours (h) will it take Rachel to catch up with Nick?
\[
\begin{array}{l}
f=7 h+20 \\
f=10 h+5
\end{array}
\]
[?] hours")
Solution
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