If there is a 5% drop every month, then the class becomes 1-5%=1-0.05=0.95 times the previous size.
The formula for

months would be

so for 12 months it would be
3m-9=9+3m
add 9 to both sides
3m=18+3m
minus 3m both sides
0=18
false
no solution
the best discription would be an empty solution set
Answer: 78 ounces of dough
Step-by-step explanation:
Total ounces used for a person:
= 6 + 4
= 10 ounces of both dough and sauce
Ounces of dough used will therefore be:
= 6/10 * 130
= 78 ounces of dough
Yes, all prime numbers are odd except the number 2
Answer: 7.73
Step-by-step explanation:
1.36 + 3.75 + 2.62 = 7.73