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NARA [144]
3 years ago
13

Please someone help please plsss

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Answer:

d =  \frac{51t}{r}

Step-by-step explanation:

Step 1: Multiply both sides by t.

r=51t/d

Step 2: Multiply both sides by d.

dr=51t

Step 3: Divide both sides by r.

d/r=51t/r

d=51t/r

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\begin{gathered} \text{ cost(x)}\leq30 \\ 0.25\cdot x+7\leq30 \end{gathered}

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