Verda138 Verda138
  • 24-07-2014
  • Mathematics
contestada

Ted weighs twice as much as Julie. Mike weighs three times as much as Julie. Together, Ted, Mike, and Julie weigh 210 lbs. What is the weight of each person?

Respuesta :

luana
luana luana
  • 24-07-2014
x-weigh of Ted
y-weigh of Julie
z-weigh of Mike

x=2y
z=3y
x+y+z=210lbs

2y+y+3y=210
6y=210 /:6
y=35 lbs
x=2y=2*35=70 lbs
z=3y=3*35=105 lbs

Answer Link

Otras preguntas

Is moss a decomposer?
Write 115.9% as a fraction
Eric and Frank want to equally share 4/3 feet of rope. What length of rope should each friend get? Explain how to use a drawing to help solve the problem.
Determine whether these functions are invertible. Find inverses of the invertible functions. (a) f(x) = x−2. (b) f(x) = x^{2}, where x ∈ R. (c) f(x) = x^{2}, wh
Is moss a decomposer?
Why is technology a challenge to skills management ?How can businesses selling the same goods/services eliminate competition ?
Why is technology a challenge to skills management ?How can businesses selling the same goods/services eliminate competition ?
24 is 16% of what number
Explain why spiders and ticks aren't insects
16x²-81=0 solve the following quadratic equation