4. Nina spent $380 on new school clothes for the upcoming school
year. Her best friend Yolanda
spent $95 on her new school
clothes. How does the money
Nina spent compare to the
money that Yolanda spent?

sorry not sure

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

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons