austinharris1166 austinharris1166
  • 02-08-2021
  • Mathematics
contestada

michelle is 3 times as old as her sister tina. Tina is 4 years younger than michelle. How old is tina now?

Respuesta :

devishri1977
devishri1977 devishri1977
  • 02-08-2021

Answer:

Tina's age = 2 years

Step-by-step explanation:

Tina's age = x

Michelle's age = 3 * x = 3x

Tina is 4 years younger than Michelle.

x = 3x - 4

Add 4 to both side

x +4 = 3x

Subtract x from both sides

4 = 3x - x

4 = 2x

Divide both sides by 2

4/2 = x

2 = x

Tina's age = 2 years

Answer Link

Otras preguntas

Where did the FIRST terrorist attacks take place on September 11, 2001? Boston New York City Philadelphia Washington, D.C. A) B) C) D)​
Please answer correctly.
Match the graph to the correct inequality X≥-3 X<-3 X≤ 3 X> -3
Which represents the polynomial written in standard form? 8x²y²-3x³y + 4x²-,7xy³ O −7xy³ + 8x²y² – 3x³y + 4x4 ○ 4x² - 7xy³_ 3x³y + 8x²y² O 2 O 4x4 + 8x²y²-3x³-7
Find the measure of side b
Moving electrons are found to exhibit properties of.
which of the folowing sentences uses a homophone
Select all the correct answers. What are the solutions to this equation? 5 - √√(x² - 9) = 7 1 -√17 √17 There are no solutions. -1
Read the stanza from "deliverance from another sore fit." "thou knowest the sorrows that i felt; my plaints and groans were heard of thee, and how in sweat i se
what's is tai-me? A. a position of importance in tribal society B.a formal declaration of war against once rivals C.a doll-like figure dressed in feathers and