Solve for d.
3
= 5d
2
1

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?