joannadegro
joannadegro joannadegro
  • 02-03-2017
  • Mathematics
contestada

The ratio of girls to boys in the geography bee was 5 to 4. There were 36 total students. How many were boys?

Respuesta :

H1a2r3s4h5 H1a2r3s4h5
  • 02-03-2017
Girls:boys=5:4
So girls=5x
Boys=4x
total students=36
5x+4x=36
9x=36
x=4
So girls are=5x=5×4=20
Boys are=4x=4×4=16
Answer Link

Otras preguntas

whats the integral of 1/X
Are many valuable minerals found in or near areas of volcanic activity and mountain building?
how is aluminium foil able to reduce heat loss through the walls of a house
Which fraction is equivalent to 2/7
PLEASE HELP IS THE OLD YELLER !!!!!!!!!!!! When does Mrs. Coates first demonstrate that she recognizes Travis is taking on his father's role? A. when Travis go
two sisters, jenny and penny, play on the same basketball team. last season they scored a combined total of 458 points. jenny scored 192 of the points. write an
why do people join interest groups?
events of ww2 that led to UDHR
A grain storage bin has the following dimensions, 11 feet high, 28 feet long and 12 feet wide. The volume of 1 bushel is 2200 cubic inches or 1.273 cubic fee
What are 5 pros and cons of living in sparta and athens in greece?