When Natasha saves $13 more, she will have enough money to buy a basic MP3 player. The player she wants to buy costs $204, which is three times the cost of the basic player. Which equation could be used to determine n, the number of dollars Natasha has already saved? A: n + 13 = 3(204)
B: 3(n + 13) = 204
C: n + 3(13) = 204
D: 3n + 13 = 204

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?