The standard deviation of a data set is 5. Every number in the set is multiplied by 2, then 3 is added to all numbers, then every number is divided by 2 and finally 3 is subtracted from all numbers. Find the standard deviation of the new data set.

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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