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anonymous
 5 years ago
solve using the multiplication principle. 5/8 x = 9/10
anonymous
 5 years ago
solve using the multiplication principle. 5/8 x = 9/10

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0multiply both sides by 1, then multiply both sides by 8 and finally multiply both sides by 1/5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0like this? 5/40 x = 9/50

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0post what you got when you multiplied both sides by 1

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0then post what you got after multiplying both sides by 8

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0then post what you get when you multiply both sides by 1/5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0there you go. you can cancel out 2 in the numerator and denominator to get x = 36/25

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0what is 2/3 times 3/2?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0what is 4/3 times 3/4?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so what is 5/8 times 8/5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so 5/8x * 8/5 = 9/10*8/5 x = 9*8/5*10 x = 72/50 = 36/25

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the lesson here is if you multiply a number n by 1/n, you will always get 1. 1/n is called the multiplicative identity of n

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oh ok, i see now. great! thx!
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