3 years ago

What is -0.8a-8=0.2a ?

Mathematics

1 answer:

nikklg [1K]3 years ago

8 0

I hope this helps you

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Artyom0805 [142]

Answer:

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Step-by-step explanation:

Total= 40 students

boys +girls= 40

30 +girls= 40

number of girls

= 40 -30

= 10

Percentage of girls

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Alternatively,

percentage of girls

= 100% -(percentage of boys)

$= 100\% - ( \frac{30}{40} \times 100\%) \\ = 100\% - 75\% \\ = 25\%$

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Step-by-step explanation:

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