Answer:
16
Step-by-step explanation:
if x=23, 23-7=16
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.
1) Equation: x^2 = 7x
2) Transpose terms: x^2 - 7x = 0
3) Factor: x (x - 7) = 0
4) Solutions: x = 0 and x - 7 = 0 => x =0 and x = 7.
Answer: 0 and 7