sherlyntru11 sherlyntru11
  • 25-11-2020
  • Mathematics
contestada

Cj has $50 more than Jordan has. Together they have $100. How much does Jordan have?

Respuesta :

AReschi AReschi
  • 25-11-2020

Answer:

25

Step-by-step explanation:

take C as what Cj has, and J what Jordan has.

Cj has $50 more than Jordan has, so:

C = 50 + J

Together they have $100, so:

C + J = 100

is a system of 2 equations with 2 unknown (C and J):

C - J = 50

C + J = 100

Adding both equations:

2C = 150 ⇒ C = 75

From second equation: J = 25

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