So you will first need to divide 123 by 2.4 to get how many male birds are there. Then you need to multiply that answer by 0.4. That will be your final answer.
Answer:
a + 11
Step-by-step explanation:
a + 11
a is the variable, plus 11.
Given :
Heather spend 2/7 of her money buying presents.
She then had €48.65 left.
To Find :
The initial amount of money she had.
Solution :
Let, initial amount she had is €x.
So,

x = €68.11
Therefore, initially he had €68.11 .
Answer:
Step-by-step explanation:
a^2 + b^2 = c^2
8^2 + 15^2 = c^2
64 + 225 = c^2
289 = c^2
c= 
c= 17
Answer:
(4x-9) times (4x+9)
Step-by-step explanation: