There are 80/100 * 10 = <<80/100*10=8>>8 more purple flowers than yellow flowers.

So in Mark's garden, there are 10 + 8 = <<10+8=18>>18 purple flowers.

Purple and yellow flowers sum up to 10 + 18 = <<10+18=28>>28 flowers.

That means in Mark's garden there are 25/100 * 28 = <<25/100*28=7>>7 green flowers.

So in total Mark has 28 + 7 = <<28+7=35>>35 plants in his garden.

# Answer

35
<|im_start|>system
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<|im_start|>user
Mark has a garden with flowers. He planted plants of three different colors in it. Ten of them are yellow, and there are 80% more of those in purple. There are only 25% as many green flowers as there are yellow and purple flowers. How many flowers does Mark have in his garden?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
35
Mark has a garden with flowers. He planted plants of three different colors in it. Ten of them are yellow, and there are 80% more of those in purple. There are only 25% as many green flowers as there are yellow and purple flowers. How many flowers does Mark have in his garden?
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