Shannon need 20g of 80% gold to make a pendant. She has 85% gold and 70% gold, how much of each alloy should she use? Use linear equations to solve

are you sure this is middle schools math? ?

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

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hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )

answer: idk wbu

step-by-step explanation: umm..