Answer:
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the total number of marbles are 12 and there are 3 colours so you divide 12 by 3
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Answer:

Step-by-step explanation:
$250/30 days= money spent per day
$8.33 = money spent per day
$250 x 12 months = money spent per year
$3,000.00 = money spent per year
$250/4 weeks= money spent per week
$62.50 = money spent per week
hope this helps :)