menchacacota
menchacacota menchacacota
  • 24-02-2017
  • Mathematics
contestada

maria bought 1224 cm of ribbon for her art picture at $0.75/m. how much did she pay for ribbon, to the nearest cent?

Respuesta :

dexteright02
dexteright02 dexteright02
  • 24-02-2017
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

[tex]y = 0.75*12.24[/tex]
[tex]\boxed{\boxed{y = \$\:9.18}}\end{array}}\qquad\quad\checkmark[/tex]

Answer:
She paid for the tape $ 9.18
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