Answer:
x = -11 / z = 17
Step-by-step explanation:
A: x + z = 6
B: 3x + 2z = 1
--------------------
( x + z = 6 ) 2
( 3x + 2z = 1 ) - 1
A': 2x + 2z = 12
B': - 3x - 2z = - 1
- x = 11
x = - 11
----------
A': 2x + 2z = 12
2 (- 11) + 2z = 12
-22 + 2z = 12
2z = 34
z = 17
Assume that the budget is n.
Now we are given that 120% of the budget is equal to $60.
This means that:
60 = 1.2n
Solve the equation for n to know the budget:
60 = 1.2n
n = 60 / 1.2 = 50
Based on the above calculations, Jada's budget is 50$
Z =
given W = XYZ
to isolate Z divide both sides by XY
= Z ⇒ Z =
An easier way to do this is to make the fractions improper fractions.
3 1/6 can be rewritten as 19/6. 1 4/6 can be rewritten as 10/6. (Multiply the denominator by the number at its side, and add it to the numerator).
2 3/6 is 15/6.
Subtract 10/6 from 19/6.
19/6-10/6=9/6.
9/6 is not 15/6, therefore she did not use 2 3/6 yards of fabric.