rubyescarlettooysx6d rubyescarlettooysx6d

02-11-2017
Mathematics

contestada

The ratio of boys to girls at the movie is 4:7. If there are 21 girls l, how many boys are at the movie?

Respuesta :

wetwork36 wetwork36

02-11-2017

There are 12 boys 21/7=3 so 4(3)= 12
You are welcome

Answer Link

Otras preguntas

The half-life of plutonium-241 is 14.4 years. How much of the original 3.6 grams of this radioactive element will remain after 45 years?

1.172 as a percentage?

please help its a grade #30pts What material from the Earth is Britain fortunate to have near the surface? Which produces more energy? Wood or coal? wood In B

Which of the following is the best definition of a dominant allele?

lll. Picture Gallery Identify the following tools used in farming.25.26.27.28.29.30.31.32.33.34.35.

Slove for x 3x+4=7x-(x+17)

3. The sequence 8, 32, 128, 512, … represents the number of sit-ups Billy did during each workout session, starting with his first week of exercising. (a) What

what is -8 (x - 1) = -32

Find the equation of the line

prove by induction that 7^2n+1 +1 is divisible by 8, for all nEN