Answer: The cost of 7 roses and 8 petunias is $41.
Step-by-step explanation:
Given, Bethany sells roses and petunias. The expression , gives the cost (in dollars) of r roses and p petunias.
Now to find the cost of 7 roses and 8 petunias , put r= 7 and p= 8 in the above expression , we get
Hence, the cost of 7 roses and 8 petunias is $41.
Answer:
Solution:
Step-by-step explanation:
System of equation:
Using substitution method.
substitute into
(combine like term)
(Addition property of equality)
(division property of equality)
(Taking square root)
Substitute x into
Solution:
Now cross check the solution using graph.
Please find attachment for graph.
