The ruby- throated hummingbird has a wing beat of about 200 beats per second. About how many wings beats would a huming bird hav
2 answers:
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Answer:
Correct answer is:
Step-by-step explanation:
Given that Number of bracelets with yellow beads is represented by
Each bracelet with yellow beads is sold for $5.
Total money raised by bracelets with yellow beads = Number of bracelets sold Money raised by sale of one such bracelet =
Also Given that Number of bracelets with Orange beads is represented by
Each bracelet with orange beads is sold for $6.
Total money raised by bracelets with orange beads = Number of bracelets sold Money raised by sale of one such bracelet =
Given that total money raised by sale of both type of bracelets is $660.
so, the first equation becomes:
It is also given that "<em>The number of bracelets with yellow beads that Sierra sold is 8 more than twice the number of bracelets with orange beads</em>"
So, by equation (1) and (2), the system of equations is: