Answer:
There are 180 milligrams of gold in the alloy
Step-by-step explanation:
because i know
Answer:
The mom would offer her 150% of 350
=> 150/100 * 350
=> 3/2 * 350
=> 1050/2
=> 525
Therefore, the mom would offer her 525 dollars
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Answer:
6:30
Step-by-step explanation:
20+16+6= 42
72-42=30
there are 30 rocks that are slate
Answer:
B. and C.
Step-by-step explanation:
1. Set the polynomial equal to zero:
x² + 5x + 7 = 0
2. Plug the given values of a, b, and c into the quadratic formula:

3. Solve the square root:



4. Simplify the rest:

5. Separate the solutions:

Thus, options B and C are the answers.
hope this helps!
20% is what you won't pay therefore 80% is what you'll pay.=80/100*220=$176