jaydencardwellow52ou jaydencardwellow52ou

22-11-2020
Mathematics

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Jim and Mark left a 20% tip after having lunch at a restaurant. The amount of the tip was $12. Mark's lunch cost $16. Write an equation to find x, the cost of Jim's lunch. Hint- 20 % = 0.2

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amian293 amian293

22-11-2020

Answer:

$44

Step-by-step explanation:

Use formula

% out of 100/100% = part/whole

20%/100 = 12/16+x

Cross multiply

(12)(100) = (20)(16+x)

1200=320+20x

Solve for x

1200-320 = 20x

880 = 20x

880/20 = x

44 = x

Jim's lunch was $44.

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