Harvey collects marbles. he has 112 marbles. each tray holds an equal number of marbles. if he uses 7 trays to hold all of the marbles, how many marbles will he display on 3 trays?

* show work too i would really appreciate it *

Harvey has 112 marbles and 7 trays that hold an equal number of marbles each. To find the number of marbles in 3 trays, you need to find the number of marbles that each tray holds. In order to do this, you need to divide:

112/7 = 16
(number of marbles divided by the number of trays)

This gives you 16, which is the number of marbles in 1 tray. To find the number of marbles in 3 trays, you need to multiply the number of marbles in each tray times the number of trays:

16 x 3 = 48

So, Harvey will display 48 marbles on 3 trays.

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