gatsbysgirl324 gatsbysgirl324
  • 03-01-2018
  • Mathematics
contestada

Sam is 5 years old. his older brother, tom, is three times as old as sam. when sam is 20, how old will tom be? 15

Respuesta :

mathildaramaqap1ywpc
mathildaramaqap1ywpc mathildaramaqap1ywpc
  • 03-01-2018

[tex]5 + 3x = 20 \\ 3x = 20 - 5 \\ x = 15 \div 3 \\ x = 5[/tex]
Answer Link

Otras preguntas

The cdc reported that more elderly hispanic individuals than elderly white men and women are getting the influenza vaccine. the healthcare industry calls this d
What term is used to describe how information can be made more accessible by ensuring that the information presented can change forms, allowing it to be perceiv
what's -3+u=5 on a number line?
You are making steak and have the option to fry it, bake it, smother it in gravy, or serve it with a side of ranch dressing. What is the best way to cook or ser
Which brand velocity group sports advisory board member is the former executive director of the national basketball players association?.
Only girls answer. I'm 16 Tall, Blue eyes,Blue Hair Kind, Loving and, Very outgoing. I need a gf like RN let me know if....(JK) When Will I get a gf?​
Bina goes downstairs to her basement, does 20 pushups and 20 squats, and then returns upstairs. which of these activities involves concentric contractions? ques
ayudaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
In the punctuated equilibrium group development​ model, at what point does a transition take​ place?.
After doing these calculations, amadi realizes he needs to save at least $278.71 each month. he carefully examines his monthly budget. he decides if he is caref