A snowman takes 20kg of snow to make, but a snowboy only takes 9kg of snow.

I love snow- using 1,263kg of snow I made 78 snowpeople. How many snowboys did I make??

Respuesta :

Based on the equation solved, there are 51 snowmen and there are 27 snowboys.

From the information given, the equation to solve the question will be:

m + b = 78 ...... i

20m + 9b = 1263 ...... ii

From equation i, m = 78 - b

20m + 9b = 1263

20(78 - b) + 9b = 1263

1560 - 20b + 9b = 1263

-20b + 9b = 1263 - 1560

- 11b = - 297

b = 297/11

b = 27

Since m + b = 78

m = 78 - 27 = 51

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