This question is probably really easy along with the others I ask but I still don’t get it

120

Step-by-step explanation:

Its fairly easy what you would do. what you would do is that you would do 400 x .30 since .30 is showing the percent of gas used and you would get 120!

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

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more