Answer:

Step-by-step explanation:
Amanda bought g gallons of paint for $16.55 per gallon and t pints of paint thinner for $5.97 per pint
Total amount = rate per gallon times gallons + rate per pint times pints

amanda bought 8 gallons of paint and 3 pints of paint thinner
g=8 and t=3, substitute the values and find total cost

Answer:
There are 35 students in his class.
Step-by-step explanation:
1. Create a proportion: 60/100=21/x
2. Cross multiply, or not (I prefer to cross multiply). 60x=2100
3. Solve the equation: x=35.
Answer: There are 35 students in his class, 14 people going in school, 21 student online.