keiramoore543 keiramoore543
  • 01-11-2018
  • Mathematics
contestada

in a group of 80 children there are 3 times as many boys as girls how many girls are there

Respuesta :

cjzelaitis cjzelaitis
  • 01-11-2018
80=x+3x
80=4x
20=x

There are 20 girls.
Answer Link

Otras preguntas

solve quadratic equation by factoring How do you do it 3k^2 + 72 = 33k
57% of 109 is what number? plz help
Payments designed to make up for war damage are known as
If A+B=76  and A -B=38 whats A divided by B
what were some of the problems that led to the rise of dictators in germany ,italy ,and japan?
Why can't we change the subscripts in balancing chemical equations?
a swimming pool is 20 meters long and 12 meters wide the bottom of the pool is slanted so that the water depth is 1.3 at the shallow end and 4 meters deep at th
Can you make this into an algebraic expresion
Hinge Joints-These jointscan only move in one direction, like a door hinge. One bone works against another. Movement is back and forth on one plane.Examples:___
what percent of 126 is 22?