Answer:
the answer is c = (ad)/b
Step-by-step explanation:
See the picture
Answer:
y=1/3x-1/3
Step-by-step explanation:
Answer/Step-by-step explanation:
Recall: 
a. 
b. 
c. 
To begin with, equivalent fractions represent the same part of a whole number. So I need to find a fraction, with a denominator of 20, that is the same value as 1/2:
1/2 = ?/20
1*10/2*10 = 10/20
Since the denominator needed to be 20, I multiplied the numerator and the denominator (1/2) by 10 to get 10/20. So, 1/2 and 10/20 are equivalent.