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

Please answer this question only if you know the answer! 30 points and brainliest!

Do substances react by mass? Yes or no explain

"Colonies attached to the mother-country afford, therefore, the surest means of supporting abroad the sea power of a country. In peace, the influence of the gov

which quantity is proportional to 15/3

what are substances and materials that compose earth's interior

Liberty Industries prepares its statement of cash flows using the direct method. Liberty sold equipment with a book value of $9,000.00 at a gain of $2,500.00. T

Use VESPR theory to predict the molecular shape of the following molecules. 4. carbon dioxide (CO2) 5. methane (CH4) 6. the nitrate ion [NO3]−

A prism whose bases are equilateral triangles is inscribed in a cylinder of radius 2 and height 5. What is the volume of the prism?

Yo ____ la carta mi amiga en Nicaragua?

During which era did people move to cities and create instrumental pieces of technology? American Revolution Industrial Revolution Mechanical Revolution Techn