annapaulene annapaulene

28-03-2017
Mathematics

contestada

Jane is Billy's sister, Jane is 3 years older than 2 times Billy's age. If Billy is 7 years old then how old is Jane?

Respuesta :

WingedRocker WingedRocker

28-03-2017

J(Jane) + 3 = B(Billy)*2
J + 3 = 7(2)
J + 3 = 14
J = 14-3
J = 11 (Jane is 11)Cheers!

Answer Link

Аноним Аноним

28-03-2017

2 x 7(billy's age) = 14
^2 times billy's age

14 + 3 = Jane's age
^3 years older(added) than 2 times billy's age

17 = Jane's age

hope this helps and have a great day :)

Answer Link

Otras preguntas

Police response time to an emergency call is the difference between the time the call is first received by the dispatcher and the time a patrol car radios that

which of the following is the most precise measurement? 13 in. 13.615 in. 13.6 in. 13.62 in.

Corey's friends start to become concerned when he starts missing their weekly study groups to get in an extra workout. He always has an excuse why he can’t meet

What’s 60 times 4.3??

In "The Most Dangerous Game", what phrase best characterizes General Zaroff?

Which piece of evidence best advances the author's purpose of revealing the United States' goal of progress? A. "The fair's motto was 'Living in the Space Age."

What culture along the east coast of Africa was a blend of African and Arab language and traditions?

The Midwest is experiencing its worst drought in 15 years. Corn and soybean prices are expected to be very high this year. What does the second sentence do? A.

What is the difference between the audio mixer and meters panel.

A student is given five samples and told they are lysine (an amino acid), lactose (a disaccharide), insulin (a protein hormone), RNA and fat. The samples are in