How can I solve this problem?

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1

<p>Hello! I would like to have an answer for how to solve this SAT math question.</p>

<p>A school ordered $600 worth of lightbulbs. Some of the lightbulbs cost $1 each and the others cost $2 each. If the twice as many $1 bubls as $2 bulbs were ordered, how many lightbulbs were ordered altogether?</p>

<p>Please help me! :)</p>

2

<p>How much would you spend on two 1 dollar plus one 2 dollar bulb? Every set of three bulbs costs 4 dollars. How many sets in 600? </p>

3

<p>Thank you guys! I’ ve correctly got 450!</p>