The answer is simply 290 pennies divided by 10 pennies per dime. The answer is 29 dimes.
If 5/8 of the teachers are males, there are 45 male teachers.
Subtract this value from 72 (i.e., find 3/8 of 72), and you will find that there are 27 female teachers.
The answer is −3.555555555555556 but you can just put -3.55
