So there!

We were told to blog with pictures, even though we refuse to blog. OK, you can make us blog, but you can't force us to make it interesting!!

1. Amy teaches two algebra classes. Her earlier class with 10 students has a 90 average. Her other class has 20 students and they have a 75 average. What is the overall average for Amy’s students?
2. Paul can eat a gallon of M&Ms in 30 minutes. Cheryl can eat them in 50 minutes. If they work at it together, how long will it take them to eat a gallon of M&Ms?
3. Jessica invested $12,000, some of it in an oatmeal company that had a return of 10%, and some in government bonds that paid 2%. He made $1,040. How much did he invest in each?
4. I had a 100 gallon jug of Koolade that was 99% water. I left it outside and a lot of the water evaporated, until it was 98% water. How much water evaporated? (Remember, the mixture does not evaporate)
5. I mixed 5 pounds of Good-n-Plenty (which sells for $9/lb) with 10 lbs of candy corn (which sells for $6 lb) and 15 lbs of All Sorts (which sells for $15 lb). How much did this mixture cost me per pound?
6. The medicine mixture is 5% medicine. We want it to be 3%. If I have 15 cups of medicine mixture, how much pure water must we add?
7. Harvey played baseball for 3 seasons. The first season he got up to bat 100 times and had a 0.200 average. The second season he got to bat 50 times and had a 0.300 average. The third year he got up 10 times and had a 0.100 average. What was his overall batting average?
8. To visit my parents, I drove 50 miles per hour the whole way. Coming home, I drove 80 mph, and saved 6 hours. How far away do my parents live?
9. Marionberries cost $10 per pint while whipped cream is $5 per pint. I want to make 12 pints of berry-cream mixture worth $6.25 per pint. How much of each should I put in?