Respuesta :

The prefix centi means 1/100. So 240cm = 2.4m.
Find the 2 different unit rates and compare them.

$6.45 / 5 m = $1.29 per meter

                                                     1 meter
240 cm converts to   249 cm * --------------------- = 2.49 meter
                                                    100 cm

and so $3.19 divided by 2.49 meters comes out to $1.28 per meter.

Which is cheaper, $1.28 per meter or $1.29 per meter?

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