The equation for women’s shoe sizes is y = 3x − 21, where x is the length of the foot in inches. What shoe size should you recom
mend to a woman whose foot is 8.5 inches long?
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
We require 2 equations with the repeating decimal after the decimal point in both equations.
The bar above 136 indicates that 136 is being repeated
let x = 0.136136...... → (1) Multiply both sides by 1000
1000x = 136.136.... → (2)
Subtract (1) from (2) to eliminate the decimal part
999x = 136 ( divide both sides by 999 )
x =