When was the Great Depression and how was dirt and sand cooked

Step-by-step explanation:ut as the United States entered the Great Depression, wheat prices plummeted. ... Eroding soil led to massive dust storms and economic ... A wall of blowing sand and dust started in the Oklahoma Panhandle and spread east ...

step-by-step explanation:

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