Answer:
27 females are in the class
Step-by-step explanation:
Spilt 30 into 10 (30 divided by 10) and then you get 3. The number of males in the class is 3. Now subtract 30 from 3 and you get 27. Therefore, there are 27 females in the class.
Answer:both 1 and 2 are correct
Step-by-step explanation:
the right answer is an=5(3)^(n-1)/2
Answer:
is the expression that represents the phrase.
Step-by-step explanation:
Given:
The phrase, "one third the sum of a number and 10."
Let the number be x
∴ The expression will be= 
Answer:
john=$29.75
pam=$17
Step-by-step explanation:
total amount =$46.75
john =(46.75/5.5)*3.5
=$29.75
pam=(46.75/5.5)*2
=$17