alexcbrera89 alexcbrera89
  • 17-06-2021
  • Mathematics
contestada

The sum of three numbers is 90. The third number is 10 less than the first. The second number is 3 times the third. What are the numbers?

Respuesta :

reinhard10158
reinhard10158 reinhard10158
  • 21-06-2021

Answer:

16

26

48

Step-by-step explanation:

x + y + z = 90

z = x - 10 => x = z + 10

y = 3z

=>

(z+10) + 3z + z = 90

5z + 10 = 90

5z = 80

z = 16

x = z + 10 = 16 + 10 = 26

y = 3z = 3×16 = 48

Answer Link

Otras preguntas

Factor the expression.2x2 + x - 15
What is the total mass of 2.0 moles of diatomic hydrogen?
John is twice as old as her sister Jane. Four years ago, John was three times as old. What is John’s current age?
The perimeter of a square garden is to be at least 22 feet but not more than 36 feet. Find all possible values for the length of its sides.
The greatest common factor of 3m squared n + 12mn squared is
What is the total mass of 2.0 moles of diatomic hydrogen?
what would a geographer conducting research be most likely to do
what does jupiter and saturn have in common and what do they don't
How did the proclamation line help to push the colonies toward war with Britain?
Who wrote the dystopian novel Nineteen-Eighty-Four in which Newspeak demonstrates the heightened linguistic self-consciousness of modernist writers? a) George