I believe the answer is $17.50, she earned $30 off of $600 meaning she had a 5% interest rate and 5% of 350 is $17.50
Answer:
0.5128
0.1176
77
Step-by-step explanation:
Answer:

Step-by-step explanation:
To solve for s, you need to follow these steps.
First multiply by t both sides of the equation.


We get 
Now we divide by r, both sides of the equation.

Finallly we obtain:
or

Answer:
40:70 becomes 20:35 which becomes 4: 7.
The answer is 4:7
Step-by-step explanation: