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Neko [114]
3 years ago
8

2x+5y=85 can be used to model how much money will Tim spent on x sodas and y sandwich’s if he brought 15 sodas how many sandwich

es did he purchase

Mathematics
2 answers:
Inessa05 [86]3 years ago
8 0
Tim would have bought 11 sandwhiches and 15 sodas.

kakasveta [241]3 years ago
8 0
2x+5y=85

x=15

2(15)+5y=85
30+5y=85
5y=55
y=11

Tim brought 15 sodas and 11 sandwiches.
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Step-by-step explanation:

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8 0
2 years ago
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A cold tablet contains the following amounts of active ingredients: acetaminophen 325 mg, chlorpheniramine maleate 2 mg, and dex
kakasveta [241]

Answer:

The number of tablets that can be prepared is 3076.

Step-by-step explanation:

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Acetaminophen:\frac{325mg*100}{342mg}=95.03%

Chlorpheniramine maleate:\frac{2mg*100}{342mg} =0.58%

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If 1 Kg=10^{6} mg of acetaminophen is used, the needed amount of chlorpheniramine maleate would be:

\frac{10^{6} mg *0.58}{95.03}=6153.85 mg

Since there are 125 g = 125000 mg of chlorpheniramine maleate, there is enough of these ingredient to run the available acetaminophen out. Thus, the total amount of active ingredients that can be prepared with 1 kg of acetaminophen is:

\frac{10^{6}mg*100}{95.03}=1052307.7mg

Since each tablet weighs 342 mg, the number of tablets that can be prepared is:

\frac{1052307.7mg}{342mg}=3076.923

Which means that 3076 tablets can be prepared and a there will be a remanent of 0.923*342 mg = 315.69 mg of active ingredients.

7 0
3 years ago
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svetoff [14.1K]

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Step-by-step explanation:

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