Arestaurant sells tea for $1.50 per cup. a group of 6 people orders drinks. write a function for the cost of tea depending on the number of cups ordered. find a reasonable domain and range

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Solve for x, y, and z. show all steps.

Hi my sisters and brothers can tell me the answer because i don’t understand the question