The Jacobs’ expenditures for the past 7 months were: January, $1,084.45; February, $886.40; March, $968.45; April, $1,142.60;
May, $995.80; June, $1,379.86; and July, $1,042.88. What is their
average monthly expenditure?

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

14.29%

step-by-step explanation: