a coin contains 9 grams of nickel and 16 grams of copper for total weight of 25 G what percentage of the total metal is in the c
opper
1 answer:
64%
16g of copper / 25g total weight = .64g of copper
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Its postive and ill help u with more if you actually mark brainly
Answer:
5 11/30 pounds
Step-by-step explanation:
6 1/5=31/5
= 31/5 - 5/6 (LCM=30)
= 186/30 - 25/30
= 161/30
= 5 11/30 pounds.
Hope this is helpful. :)
Let the number be x.
x/3 + 12 = 46
Subtract 12 from both sides and you will get:
x/3 = 34
Multiply both sides by 3:
x = 102
He lived 9 months in Portugal and 5 months in Brazil. This is because 130*9 + 150*5 = 1920.
