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sesenic [268]
2 years ago
15

4x+y=17

Mathematics
1 answer:
faltersainse [42]2 years ago
4 0

Answer:

x=4

y=1

Step-by-step explanation:

4x=7y+9

4x+y=17

7y+9+y=17

8y=17-9

8y=8

y=1

so

4x=7*1+9

4x=16

x=16/4

x=4

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3 years ago
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2 years ago
The cost of a company picnic varies directly as the number of employees attending the picnic. If a company picnic costs $487.50
Drupady [299]

The company picnic cost $ 1300 for 80 employees

<em><u>Solution:</u></em>

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cost \propto \text{ number of employees attending picnic }

c \propto n\\\\c = kn

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Therefore substitute c = 487.50 and n = 30

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Let us assume the number of friends Sumalee has = x
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x = 32/2
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So Sumalee has 16 friends. There are numerous ways to get to the answer that is required to be found. This is the easiest and the shortest method. Hope i helped you.
6 0
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