Question

Need help!! Terence has $1.00 to spend on pencils, which cost $0.29 each. Which
relation shows the possible numbers of pencils he can buy and amounts of
change he will receive?
Select one:
a. {(0.29, 0.71), (0.58, 0.42), (0.87, 0.13)}
b. {(1, 0.29), (2, 0.58), (3, 0.87)}
c. {(1, 0.71), (2, 0.42), (3, 0.13)}
d. {(0, 0), (1, 0.29), (2, 0.58), (3, 0.87)}

Answer 1

Is the correct answer C?

Answer 2

yes, the elements are (number paid, amount received).. (2, 1 - 2 * 0.29) = (2, 0.42).
C) is right

Answer 3

Yay! Thanks :D