[Question]: Jose had 400 tabs opened up in his windows browser. After about one hour of browsing, he closed 1/4 of the tabs to allows easy browsing. He read some news from different pages, then closed 2/5 of the remaining tabs. If he closed half of the remaining tabs after further analyzing some pages, how many windows tabs did he have remaining open?
[Answer]: When he closed 1 / 4 of the tabs, he closed 1 / 4 * 400 = 100 tabs. The number of windows tabs that remained open is 400 - 100 = 300. After reading some news from different pages, he closed 2 / 5 of the remaining tabs, a total of 2 / 5 * 300 = 120 pages. The number of tabs that remained open is 300 - 120 = 180. If he closed half of the remaining tabs after further analyzing some pages, he closed a total of 1 / 2 * 180 = 90 pages. The total number of tabs that remained opened is 180 - 90 = 90.
So the answer is 90.

[Question]: Mary needs school supplies. She has 6 classes and needs 1 folder for each class. She also needs 3 pencils for each class. She decides that for every 6 pencils she should have 1 eraser. She also needs a set of paints for an art class. Folders cost $6, pencils cost $2, and erasers cost $1. If she spends $80, how much did the set of paints cost in dollars?
[Answer]: Mary needs 6 * 1 = 6 folders. Mary needs 6 * 3 = 18 pencils. Mary needs 18 / 6 = 3 erasers. Mary spends 6 * 6 = $36 on folders. Mary spends 18 * 2 = $36 on pencils. Mary spends 3 * 1 = $3 on erasers. Mary spends 36 + 36 + 3 = $75 on all the supplies except the paints. Mary spends 80 - 75 = $5 on the paint set.
So the answer is 5.

[Question]: Mark's basketball team scores 25 2 pointers, 8 3 pointers and 10 free throws. Their opponents score double the 2 pointers but half the 3 pointers and free throws. What's the total number of points scored by both teams added together?
[Answer]:
Mark's team scores 25 2 pointers, meaning they scored 25 * 2 = 50 points in 2 pointers. His team also scores 6 3 pointers, meaning they scored 8 * 3 = 24 points in 3 pointers. They scored 10 free throws, and free throws count as one point so they scored 10 * 1 = 10 points in free throws. All together his team scored 50 + 24 + 10 = 84 points. Mark's opponents scored double his team's number of 2 pointers, meaning they scored 50 * 2 = 100 points in 2 pointers. His opponents scored half his team's number of 3 pointers, meaning they scored 24 / 2 = 12 points in 3 pointers. They also scored half Mark's team's points in free throws, meaning they scored 10 / 2 = 5 points in free throws. All together Mark's opponents scored 100 + 12 + 5 = 117 points. The total score for the game is both team's scores added together, so it is 84 + 117 = 201 points.
So the answer is 201.