Answer:
$660
Step-by-step explanation:
Step 1
The number of extra necklaces that valeria needs is calculated as:
477 necklaces - 147 necklaces
= 330 necklaces
Step 2
We are told that
1 extra necklace cost $2
Hence
1 necklace = $2
330 necklaces = x
Cross Multiply
x = 330 × $2
x = $660
Therefore, Valeria need to spend and additional $660
0.5$each
Answer: F(x) = 5x^2 + 10x
The answer is A
cross mutliply
1×6=6
1×3=3
divide the answers
result: 2
I hope this helps