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Radda [10]
3 years ago
12

I need help thanks so much!!!! You dont have to do both.

Mathematics
2 answers:
Shalnov [3]3 years ago
5 0
1: Bettina's 60, and Melvina's 20.
2: 4.5 gallons
riadik2000 [5.3K]3 years ago
4 0
Number one: Bettina is 60 and Melvina is 20
Number two: 4.5 gallons because you would divide 70 by three then multiply it by 105
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fiasKO [112]
Let the no be X and Y

acc to ques....

x-y=9 .........1

xy=162 ..........2

substituting value from 1 in 2 we get;

x=9+y

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case 1 :

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x = 9-9=0

case 2:

y= -18

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