Answer:
80
Step-by-step explanation:
16=20/100
y=3 x 100/20
y = 80%
Answer:
1 pound 3 ounces
Step-by-step explanation:
Lemme know if it's correct
Answer:
See Explanation
Step-by-step explanation:
Solving (a): The Variables
The variables are the ages of Jaime, Crystal and Marissa;
Let
x represents Jaime's age;
y represents Crystal's age;
z represents Marissa's age
Solving (b): Equation
![x = 3 + y](https://tex.z-dn.net/?f=x%20%3D%203%20%2B%20y)
![z = 2x](https://tex.z-dn.net/?f=z%20%3D%202x)
![x + y + z = 45](https://tex.z-dn.net/?f=x%20%2B%20y%20%2B%20z%20%3D%2045)
Solving (c): Result of the equations
-- (1)
-- (2)
-- (3)
Make y the subject in (1)
![y = x - 3](https://tex.z-dn.net/?f=y%20%3D%20x%20-%203)
Substitute
and
in (3)
![x + y + z = 45](https://tex.z-dn.net/?f=x%20%2B%20y%20%2B%20z%20%3D%2045)
![x + x - 3 + 2x = 45](https://tex.z-dn.net/?f=x%20%2B%20x%20-%203%20%2B%202x%20%3D%2045)
Collect Like Terms
![x + x + 2x = 45 + 3](https://tex.z-dn.net/?f=x%20%2B%20x%20%2B%202x%20%3D%2045%20%2B%203)
![4x= 48](https://tex.z-dn.net/?f=4x%3D%2048)
Solve for x
![x = 48/4](https://tex.z-dn.net/?f=x%20%3D%2048%2F4)
![x = 12](https://tex.z-dn.net/?f=x%20%3D%2012)
Substitute
in
and ![z = 2x](https://tex.z-dn.net/?f=z%20%3D%202x)
![y= 12 - 3](https://tex.z-dn.net/?f=y%3D%2012%20-%203)
![y = 9](https://tex.z-dn.net/?f=y%20%3D%209)
![z = 2x](https://tex.z-dn.net/?f=z%20%3D%202x)
![z = 2 * 12](https://tex.z-dn.net/?f=z%20%3D%202%20%2A%2012)
![z = 24](https://tex.z-dn.net/?f=z%20%3D%2024)
This implies that;
Jaime is 12; Crystal is 9 and Marissa is 24 years old
Solving (d): Essence of the question
The question asks that we solve for the ages of Jaime, Crystal and Marissa
Answer:
cant see from the light retake the photo
Step-by-step explanation:
Answer:
3.8
Step-by-step explanation:
solution are in the pics