Question

Lisa and Kate are playing a card game, and a total of 900 points has been scored. Lisa scored 400 more points than Kate. If you let l= the number of points that Lisa scored, and k= the number of points that Kate scored, then the problem can be represented by the system: l+k=900 and l=k+400

Answer 1

Answer:

Yaaa. L + k = 900. Eq no 1

Or.

L = k + 400

We know that Lisa scored 400 points more than Kate.

Thus, L = k + 400. Eq no 2

Now substitute equation 2 in 1

L + k = 900

K + 400 + k = 900

2k = 900-400

2K = 500

K = 250.

Thus points scored by Kate is 250.

And Lisa is k + 400= 250 + 400 = 650

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