breezytwins2019 breezytwins2019
  • 10-09-2022
  • Mathematics
contestada

The sum of two numbers is 54. The sum of the smaller and 5 times the larger is 166. Find the numbers.

Respuesta :

dbruno166
dbruno166 dbruno166
  • 10-09-2022

Answer:

smaller number is 26

larger number is 28

Step-by-step explanation:

This is a system of equations that we can solve by substitution.  Let x = the smaller number and y the larger.  The two equations are:

x + y = 54

x + 5y = 166

Solve the first equation for y and use that in the second equation.

y = 54 - x (we will plug this in for y in the second equation and solve that for x)

x + 5(54 - x) = 166

x + 270 - 5x = 166

-4x = 166 - 270

-4x = -104

x = 26

Plug this into x + y = 54 and solve for y

26 + y = 54

y = 54 - 26

y = 28

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