faithwashere
faithwashere faithwashere
  • 26-01-2016
  • Mathematics
contestada

What is the value of x in the equation 1/5x –2/3 y = 30, when y = 15?
A.4
B. 8
C. 80
D. 200

Respuesta :

Billymkhoi
Billymkhoi Billymkhoi
  • 26-01-2016
Plug y= 15 in the equation 1/5x -2/3y= 30, we have:
1/5x -2/3* 15= 30
⇒ 1/5x -10= 30
⇒ 1/5x= 30+ 10
⇒ 1/5x= 40
⇒ x= 40/ (1/5)
⇒ x= 40* (5/1)
⇒ x= 200

Final answer: D. 200~
Answer Link

Otras preguntas

why did people immigrate to the United States in the late 1800s?
A pencil measures 14 cm long. How many millimeters long is it?
which of the following represents the most accurate estimation of 38+23
please explain how to solve this  On Monday,it took Helen 3 hours to do  a page of science homework exercises.The next day she did the same number of exercises
why did people immigrate to the United States in the late 1800s?
A pencil measures 14 cm long. How many millimeters long is it?
whats the most accurate estimation of 65+77
''Life in a city is more rewarding than life outside a city."List two or three arguments in favor of this opinion and two or three arguments opposing this opini
A pencil measures 14 cm long. How many millimeters long is it?
A pencil measures 14 cm long. How many millimeters long is it?