Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now?

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

Write equation with variables J and T. J is 10 years older than T => J = T + 10 J was twice T's age 3 years ago => J-3 = 2(T-3) => J = 2(T-3)+3 Substitute in original equation and find T.

OpenStudy (anonymous):

Huh

OpenStudy (anonymous):

What part of it is confusing?

OpenStudy (anonymous):

What do you mean by substitute in original equation?

OpenStudy (anonymous):

J = T + 10 J = 2(T-3)+3 => 2(T-3)+3 = T + 10 => ......... You can now find T.

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

Tim is now 13 year old. and Coach is 23 year. 3 year ago : Tim was 10 year old and Coach was 20 year old. Method of GT is correct.

Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!

Join our real-time social learning platform and learn together with your friends!

Latest Questions

gfg:
The Etruscans lived in the area known as _____. Rome Sicily Etruria Etruscany

51 seconds ago
0 Replies
0 Medals

mayshia:
If vertex W' is at (u22128, 2), what are the coordinates of vertex U'?

3 minutes ago
0 Replies
0 Medals

gfg:
The Late Classical Greek art period saw a new, detailed characterization of in the visual arts.

10 minutes ago
0 Replies
0 Medals

janiyah:
Which of the following expressions represents the total number of kilowatt-hours

10 minutes ago
0 Replies
0 Medals

Shelbi:
what is the overall effect of jeffersonu2019s nuanced word choices in the declara

18 minutes ago
0 Replies
0 Medals

gfg:
Select the animal characteristics. segmented or nonsegmented presence or absence

14 minutes ago
1 Reply
0 Medals

gfg:
A sorting device made up of a system of choices that is used to classify organisms is called _____.

22 minutes ago
1 Reply
0 Medals

Acolgrove:
Identify the possessive pronoun in the sentence below: Wilma asked me if she could share my math book in class because she had left hers in her locker.

35 minutes ago
0 Replies
0 Medals