Lucy, Luke, and Lilly went trick-or-treating on Halloween. After they finished, they compared the amount of candy they all had. Luke had twice the amount Lilly had, and Lucy had 15 less than 3 times the amount Lilly had. If together, they had 225 candies, how many candies did Lucy have? PLEASE HELP URGENT

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Hi there!

Let think talk about these clues we have right now…

Luke is x2 more than Lily.

Luce is 45 less candy than Lily since 3 times 15.

225 candys in total…

Let make a random guess…

Lily: 70

Luke: 140

Lucy: 35

Total: 245

Now we know that there must be a half candy since it’s a odd number at the end of that…

Lily: 67.5

Luke: 135

Lucy: 22.5

Total: 225

But we are asked for only Lucy…

So the answer to this problem is 22.5.