I need answer ASAP please
1) Peyton needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 4 hours and charged her $77 for parts. The total was $497. Write and solve an equation which can be used to determine xx, the cost of the labor per hour.
2) Audrey has a points card for a movie theater.
She receives 85 rewards points just for signing up.
She earns 12.5 points for each visit to the movie theater.
She needs at least 265 points for a free movie ticket.
Write and solve an inequality which can be used to determine xx, the number of visits Audrey can make to earn her first free movie ticket.
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Efficiency signifies a peak level of performance that uses the least amount of inputs to achieve the highest amount of output. ... It is a measurable concept that can be determined using the ratio of useful output to total input
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