3 years ago

15. Sensei's Judo Club has a competition for

Mathematics

1 answer:

marta [7]3 years ago

3 0

Answer:

6 grapples

Step-by-step explanation:

x = number of wins

y = number of ties

y = 15 - x

48 = 5x + 2y

48 = 5x + 2(15 - x)

48 = 5x + 30 - 2x

48 = 3x + 30

18 = 3x

x = 6

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