7x^2 + 8x + 1 =0 find the solution

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smokemicpot

29.04.2022

Mathematics

$5 \text { builders =} 3 \dfrac{1}{2} \text { hours }$

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Find 1 worker :
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$1 \text { builders =} 3 \dfrac{1}{2} \times 5 \text { hours }$

$1 \text { builders =} \dfrac{35}{2} \text { hours }$

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Find 2 workers :
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$2 \text { builders =} \dfrac{35}{2} \div 2 \text { hours }$

$2 \text { builders =} \dfrac{35}{4} \text { hours }$

$2 \text { builders =} 8.75 \text { hours }$

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Find cost of 1 worker :
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Since they are paid hourly or part of an hour at £9.30.

One builder = £9.30 x 9 = £83.70

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Each worker will be paid £83.70.
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