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jek_recluse [69]
3 years ago
8

The quotient of a number and -5 increased by one is at most 7. please need hellp

Mathematics
1 answer:
zvonat [6]3 years ago
8 0

Answer:

<h2>n ≥ -40</h2>

Step-by-step explanation:

n-\text{a number}\\\\\text{the quotient of a number and - 5}\to n:(-5)=-\dfrac{n}{5}\\\\\text{the quotient of a number and -5 increased by one}\to-\dfrac{n}{5}-1\\\\\text{the quotient of a number and -5 increased by one is at most 7}:\\\\-\dfrac{n}{5}-1\leq7\qquad\text{add 1 to both sides}\\\\-\dfrac{n}{5}-1+1\leq7+1\\\\-\dfrac{n}{5}\leq8\qquad\text{multiply both sides by 5}\\\\5\!\!\!\!\diagup\cdot\left(-\dfrac{n}{5\!\!\!\!\diagup}\right)\leq(5)(8)\\\\-n\leq40\qquad\text{change the signs}\\\\n\geq-40

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