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galben [10]
3 years ago
10

X/5 = 8/9 solve for x

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
8 0

Answer:

4.4

Step-by-step explanation:

\frac{x}{5} =  \frac{8}{9}  \\ x =  \frac{8 \times 5}{9}  \\ x =  \frac{40}{4}  \\ x = 4 \frac{4}{9}  \\ x = 4.4

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there are 10 less trumpet players than saxophone players. The number if saxophone players is 3 times the number of trumpet playe
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<em>Step-by-step explanation: Let a be the number of trumpet players </em>

<em>Let b be the number of saxophone players </em>

<em>--------------------- </em>

<em>(1) a = b-10 </em>

<em>(2) b =3a </em>

<em>---------------- </em>

<em>Substitute  </em>

<em>(2) into (1) </em>

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<em> </em>

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<em>------------------ </em>

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