Respuesta :

nosomi
$21.30

28.40/8=3.55
3.55*6=21.30
MizukiIsEpik

Answer:

It would cost $21.30 for Robert to buy 6 notebooks.

Step-by-step explanation:

find cost for each notebook:

28.40 ÷ 8 = 3.55

multiply by 6:

3.55 x 6 = 21.3

Hope this helped!

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