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

Plzzzz help I give 100points
Consider this student response. A 3-column table with 1 row. Column 1 is labeled Text with entry "On December 5, 1955, concerned people in Montgomery, Alabama,
What was the function of the Alhambra? It was a mosque. It was a school It was a tomb for the ruler's wife. It was a fortress palace.
PBYI’s current BID-ASK is $59.00 - $60.00. PBYI is going to release their annual report tomorrow; you have special skill in valuing biotech companies, and you b
which of the following statements best explains why Italy was dissatisfied with the treaty of versailles?
How many people do not think having a garage is a priority?
What was the result of Sherman's March to the Sea? A. Hundreds of new recruits for the Confederate army B. Thousands of miles of new railroad tracks in the Sout
Acaso todos seamos algún día Teseo, cuanto nos toque vencer al miedo, ese monstruo que habita en el laberinto del alma
Iconophiles claimed to worship objects. O True O False
Verify the conclusion of Green's Theorem by evaluating both sides of the equation for the field F= -2yi+2xj. Take the domains of integration in each case to be