ssmithssmithk693 ssmithssmithk693
  • 21-12-2022
  • Mathematics
contestada

the average of the marks on an exam in a class was 80%. if 15 of the students had each gotten a mark which was 10 points higher, the average would have been 85. how many students are in the class?

Respuesta :

Otras preguntas

Jessica gets her favorite shade of purple paint by mixing 1/3 cup of blue plaint and 1/2 cup of red paint. How many cups of blue and red paint does jessica need
X+y=-13 and 4x+6y=-72
Based on the order of operations, which shows the first step in simplifying this expression? 16/2+6(7+4x5)
Which element and animal best represents your personality and why?
(2/3)^3 = help i need help​
What happened During the Schlieffen Plan? How did it work out?
To find the distance between (-2,-3) and (4,1), Peggy's teacher drew a diagram and marked blue lines to represent the legs of a right triangle. Peggy then used
Sorry, here's another one on inequalities
Why was Washington's response to the Whiskey Rebellion considered by many an overreaction?
Can someone please answer this question please answer it correctly and please show work please help me I need it