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jblovemath
 4 years ago
The concentration of platinum in a necklace is 12%. The necklace weighs 18 g. Find the amount of platinum in the necklace.
jblovemath
 4 years ago
The concentration of platinum in a necklace is 12%. The necklace weighs 18 g. Find the amount of platinum in the necklace.

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Walleye
 4 years ago
Best ResponseYou've already chosen the best response.2fraction time! notice that the amout of platinum is 12/100 of the necklace. does this help?

Walleye
 4 years ago
Best ResponseYou've already chosen the best response.2Why did you choose to do that?

Walleye
 4 years ago
Best ResponseYou've already chosen the best response.2Let me give you a hint. this is asking "how much of 18 grams is platinum"

jblovemath
 4 years ago
Best ResponseYou've already chosen the best response.012/100 divided by 18/1

Walleye
 4 years ago
Best ResponseYou've already chosen the best response.2i should say (12/100) * 18

jblovemath
 4 years ago
Best ResponseYou've already chosen the best response.0but I don't understand how many grams that is

Walleye
 4 years ago
Best ResponseYou've already chosen the best response.2sorry brain fart for a second on my part think about this 12/100 is the amout of platinum in the necklace. 18 grams is the amout of material (12/100) * 18 is the amount of platinum in the necklace. so 54/25 is the amount of platinum in the necklace

Walleye
 4 years ago
Best ResponseYou've already chosen the best response.2remember that 54/25 is just like saying 2.16 so there is 2.16 or 54/25 grams of platinum in the necklace

jblovemath
 4 years ago
Best ResponseYou've already chosen the best response.0how did you get that?

Walleye
 4 years ago
Best ResponseYou've already chosen the best response.2i typed 54/25 into a calculator :)
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