Records kept by a dietician at a cafeteria show the following weekly consumption of milk (in gallons). find the average number gallons of milk consumed per week.

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

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