Jorge's lunch cost $19. He left a 22% tip. What was the total cost of the lunch with tip?

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$23.18

Step-by-step explanation:

23.18

Step-by-step explanation:

first find 22% of $19.00= 4.18

19+4.18

both equations and proportions are better.

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950