In biology class, the girl ratio is 3 to 10.if their are total of 52 students, how many boys are are their?

Yosef can eat 21 jamuns while rose can eat just 15 . complete the blank. yosef can eat % more jamuns than rose.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.