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trapecia [35]
3 years ago
9

A wizard-in-training has 300 grams of 20% liquid-gold solution. He wishes to drain some and replace it with an 80% solution, so

that he gets 300 grams of 35% solution. How many grams should the wizard drain and replace with 80% solution?
Mathematics
2 answers:
MakcuM [25]3 years ago
3 0

Answer:

Hi so I just did this :) Here's the answer: 75 grams.

Step-by-step explanation:

Just basically blah blah blah

algol133 years ago
3 0

Answer:

75 grams

Step-by-step explanation:

I have in on rsm and i put it in and its right :)

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Answer:

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Step-by-step explanation:

Number of texts sent by each person;

Ashley=x

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Chang=2(x+7)=2x+14

Total number of text messages=Number sent by Ashley+Number sent by Frank+Number sent by Chang

where;

Total number of text messages=73

Replacing;

73= x+(x+7)+(2x+14)

x+x+2x+7+14=73

4x+21=73

4x=73-21

4x=52

x=52/4

x=13

Ashley=13 messages

Frank=x+7=13+7=20 messages

Chang=2x+14=(2×13)+14=40 messages

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