5-minute call costs $5.91 and a 10-minute call costs $10.86. what is the rate of change
1 answer:
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Replace x with a couple of numbers, solve for Y them mark those points on the graph and connect with a line.
See picture:
Answer:
5 chickens, 20 goats
Step-by-step explanation:
We can set up two equations and use substitution
There are 25 total goats and chickens, so
Goats have 4 feet and chickens have two, so
By solving for G in the first equation,
We can now use substitution,
We have 5 chickens, so we have 20 goats.
Let's double check:
It checks out!