Πολεμιστής
Πολεμιστής Πολεμιστής
  • 27-09-2016
  • Mathematics
contestada

Use the three steps to solve the problem.
Joe is 10 years older than James. In 8 years, twice Joe's age will equal three times James's age. How old is each now?

Respuesta :

caylus
caylus caylus
  • 27-09-2016
Let's assume a the age of Joe
b the age of James
a=b+10 (1)
2*(a+8)=3(b+8) (2)

==> 2*(b+10+8)=3b+24
==>2b+36=3b+24
==>b=12
==>a=12+10=22
Joe is 22 years's old
James is 12 years's old.



Answer Link

Otras preguntas

Would a rose petal cell be eukaryotic or prokaryotic? I know that prokaryotic is unicellular and eukaryotic is mostly multicellular.
How does Australia's per capita income compare to that of the rest of the world?
How to solve 3sin^2x= cos^2x
you see seven sisters standing around the kitchen table. Every sister has her own backpack. In each backpack there are seven large cats. And guess what! For eve
The primary reason the United States advocated the Open Door policy in 1899 was to (A) consolidate good relations between the United States and European countri
is granite rock a compound, element, mixture? Explain
How do you write standard form 24 ten thousands
Can you divide fractions using models? Which model is your favorite to use and why?
Which criterion is a requirement for naturalization as a US citizen?
Simon Bolivar dreamed of a United States of South America. Besides geography, which factor made that dream impossible?