Answer:
3 3/5
Step-by-step explanation:
9/1*2/5=18/5
=3 3/5
6 lessons per week multiplied by the number of weeks in a year
6 x 52 = 312
total - 5 missed
312 - 5 = 307 dance lessons
The only rule to follow is
Divide dividend by divisor and the mention the quotient and things left after remains in place of remainder
Here is a sample

Answer:
1) √248 = ± 15.7480157
2)√63 = ± 7.93725393
Step-by-step explanation:
1750mg in 1.75g just move the decimal place over three places.
so its 1750mg