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elixir [45]
3 years ago
10

Mac has 117 white and black

Mathematics
1 answer:
olga55 [171]3 years ago
3 0

Answer:

The number of white horses is 52

Step-by-step explanation:

Let

x ----> the number of black horses

y ----> the number of white horses

we know that

x+y=117 ----> equation A

\frac{x}{y}=\frac{5}{4}

x=\frac{5}{4}y ----> equation B

Substitute equation B in equation A and solve for y

\frac{5}{4}y+y=117

\frac{9}{4}y=117

y=117(4)/9\\y=52

therefore

The number of white horses is 52

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