Binh spent 15 game tokens in an amusement park arcade . she won 11 tokens while she was playing the games. if she had no tokens left when she leaves the arcade, how many did she buy while she was playing games? explain your answer

she only buy 4 tokens

Step-by-step explanation:

We know that Binh have 15 tokens, and she won 11 tokens. So, she just need buy 4 tokens.

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

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step-by-step explanation: