Answer:
$47
Step-by-step explanation:
If she spent 47, and had none after, she spent 47.
Shidddd lil buddy, try the 3rd one
Answer:
The answer to your question is x = 21
Step-by-step explanation:
Equation

- Multiply both sides by 7

- Simplify
2x = 42
- Divide both sides by 2

- Simplify
x = 21
Answer:
130 milliliters.
Step-by-step explanation:
a drug has a ratio of 115mg:5ml. This is equivalent to 23mg:1ml. 3g=3000mg, so we divide 3000 by 23 to get 130.434783. That is how many milliliters are needed. We round it to get 130 mL.