Hope this helps.
If not, go to: https://www.mathportal.org/calculators/financial-calculators/simple-interest-calculator.php
Answer:
If your looking for inequality then its x<12
Step-by-step explanation:
Move constant to the right and calculate
The answer is obviously 100 that was so easy
12+18=30 so together they have $30.00 in all.
Answer: Y= 8x + 2.8
Step-by-step explanation: slope is 8 (think rise over run) and y-intercept seems to be 2.8, heh hope that helped