Suppose that 5 people sitting in an enclosed room are each generating about 500 btus of body heat per hour. if the room is 10ft x15ft x 10ft how many btus per cubic foot do they produce in 3 hours

the answer is 5 BTUs/ft^3

Step-by-step explanation:

first: 10x15x10= 1500 ft ^3

second: 500 BTUs x 5 people= 2500 BTUs by all five people

third: 2500 BTUs x 3 hrs= 7500 BTUs per 3 hrs

lastly: divide 7500 BTUs by 1500 ft ^3 to get 5 BTUs/ ft^3

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