Donald sells 760 marbles every day. he sells each marble for 1.5 dollars. for how many days does donald need to sell marbles to ear 3420 dollars?

Hello!

First of all, let's find out how much he earns each day. We multiply our marbles by their cost.

760(1.5)=1140

This gives us the equation below.

1140x=3420

We divide both sides by 1140.

x=3

Therefore, he needs to sell marbles for 3 days.

I hope this helps!

3 Days

(in case you need to show your work)

760*1.5= 1,140

1,140*3= 3,420

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