theledfords1142 theledfords1142
  • 04-05-2018
  • Mathematics
contestada

A class has 24 boys and 16 girls. on a test the class mean was 75. the mean of the girls' score was 72. what was the mean of the boys' scores?

Respuesta :

zeyu zeyu
  • 04-05-2018
24+16=40
40*75=3000
16*72=1152
3000-1152=1848
1848/24=77
Answer Link
pottymouth
pottymouth pottymouth
  • 15-11-2018

jhnkjhn jnjhvgfhjvb fcgvgfhcv fcgh jfgch jklk

Answer Link

Otras preguntas

The distance of a wave crest from its resting. position is its. out of A. Wavelength B. Amplitude C. Height
What is 9x^2-24x+ 16
Type of picture Paul Revere made of the Boston massacre?
What is bigger fraction, 5/6 or 6/7
How did the alliances that formed in Europe after world war 2 form an "iron curtain" as described by Winston Churchill in a 1946 speech?
What is the Geocentric theory in your own words?
Write an equation for a non-vertical line that contains the point ( 2,-4 )
If item costs $99.99 with 15% off and I get final price. It then asks me what percentage of savings. How do I get the percentage of savings
What is 9x^2-24x+ 16
how does the carbon cycle work in the desert