Petra 4

Petra had 20 meters of cloth. She made 3 dresses of the same size and two meters were left.
How many meter did each dress take?

Correct answer:

x =  6 m

Step-by-step explanation:

a=20 m b=2 m  3 x+b=a 3 x+2=20  3x=18  x=318=6  x=6=6 m

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