Data:
Tape size = 1224 cm → 12.24 m
Price per size = $0.75/m
Solving: Rule of three (directly proportional)
$ (price) __ (Size)
0.75 ----------- 1 m
y --------------- 12.24 m
Multiply cross
\(y = 0.75*12.24\)
\(\boxed{\boxed{y = \$\:9.18}}\end{array}}\qquad\quad\checkmark\)
Answer:
She paid for the tape $ 9.18
