Maria's Budget for Books and Art Supplies

Hard Word Problems Algebraic Reasoning

Maria has a total of $150 to spend on books and art supplies for school. She plans to spend twice as much on art supplies as she does on books. If she buys books that cost $$b$$ dollars each, and art supplies that cost $$a$$ dollars in total, which of the following equations represents this scenario?

$$b + 2b = 150$$

$$b + a = 150$$

$$a = 2b + 150$$

$$b + 2a = 150$$

Hint

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