X = jane, y = jasmine, z = jocelyn
x + y + z = 56
x = 3z
y = 2z + 2
3z + 2z + 2 + z = 56
6z + 2 = 56
6z = 56 - 2
6z = 54
z = 54/6
z = 9 <==== jocelyn
x = 3z
x = 3(9)
x = 27 <=== jane
y = 2z + 2
y = 2(9) + 2
y = 18 + 2
y = 20 <=== jasmine
3.0, because the 3 is in the ones place.
Step-by-step explanation:
X + x + x + x = 4x
4x = 4x
It is true
The answer is B
Read on for explaination:
to find the mean of a set of numbers, you have to add them all together and divide by how many numbers you have.
