Answer:
Step-by-step explanation:
let the number be n , then
4 - 4n = 2n ( add 4n to both sides )
4 = 6n ( divide both sides by 6 )
= n
The number is
Let the number = x
4 - 4x= 2x
4 = 2x+4x
4 = 6x
x = 4/6
x = 2/3
Step by Step explanation:
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A=1 B=3 C=1 D=2 E=6 F=8
the second part is b= y=3 times2^x
6 dollars per dozen
This is a fraction equal to
6 dollars ÷ 1 dozen
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 1
6 dollars ÷ 1
1 dozen ÷ 1
=
6 dollars
1 dozen
dozen
= 6 dollars per dozen
The GCF for 84 and 90 is 6.
The factors of 84 are: 1, 2, 3, 4, <u>6</u>, 7, 12, 14, 21, 28, 42, 84
The factors of 90 are: 1, 2, 3, 5, <u>6</u>, 9, 10, 15, 18, 30, 45, 90
Then the greatest common factor is 6.