Live wants to have his birthday party at the bowling alley with a few of his friends but he must be a less than $80 the bowling
alley charge a flat fee of $45 for a private party +5.50 per person
2 answers:
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Answer: x = 20.
Step-by-step explanation:
x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.
Right angles are 90 degrees, so you can add both angles to get 90: