lunguclement408 lunguclement408

06-03-2022
Mathematics

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40 tangs of a mixture of sand and gravel is 30% sand. how many tangs of sand must be added to produce a mixture which is 40% gravel

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raedarateb3 raedarateb3

06-03-2022

Answer:

for that just use an online calculator for the percentages of the variants.

Step-by-step explanation:

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