Answer:
6/5
Step-by-step explanation:
(42-18) / (35 - 15) = 24 / 20 = 6 / 5
Answer:

Step-by-step explanation:
2)
a) elimination method
b) substitution method
c) substitution method
For the first part we can elimate the y variable by subtracting the equations. We can then find the value of x.
For the second part we can substitute y as 2x+5 in the second equation and solve for x.
For the third part we can substitute y as 4x+3 in the first equation and solve for x.
3)

1. 2/7
2. 2/15
3. 5/24
4. 2/11
They are multiplicative inverses. For example, the reciprocal of 2/3 is 3/2. They are used when dividing fractions