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Trevor earns $7.80 an hour take home pay and works 20 hours each week. Trevor wants to buy a new laptop computer to take to college that costs $780. How many weeks will it take for Trevor to achieve his goal?

Respuesta :

GaleRunner

100 weeks for an hour a week, or 5 weeks for a 20 hour week.

Trevor needs to work of total 5 weeks to achieve his goal.

What are the ratio and proportion?

The ratio is the division of the two numbers.

For example, a/b, where a will be the numerator and b, will be the denominator.

Proportion is the relation of a variable with another. It could be direct or inverse.

Given that Trevor earns $7.80/hour

He works 20 hours each week so → 20  × 7.80 = $156 is he earning per week.

Number of weeks he needed = total amount/amount he earn in a week

⇒ 780/156

⇒ 5 weeks hence Trevor need 5 week to purchase a brand new laptop

For more information about ratio and proportion

brainly.com/question/26974513

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