given h:k = 4:3 and the sum of h and k is 21 . find h.
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Let the ratio be, x
then, h = 4x and k= 3x
4x+3x = 21
7x = 21
x = 21÷7
x = 3
So, h= 4×3=12
k =3×3=9
then, h = 4x and k= 3x
4x+3x = 21
7x = 21
x = 21÷7
x = 3
So, h= 4×3=12
k =3×3=9
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h:k = 4:3
Sum of h and k = 21
Let 4:3 be 4x and 3x
h = 4x
k = 3x
h + k = 21
4x + 3x = 21
7x = 21
multiplication becomes division
x = 21 ÷ 7
x = 3
h = 4 × 3 = 12
Therefore h = 12
Sum of h and k = 21
Let 4:3 be 4x and 3x
h = 4x
k = 3x
h + k = 21
4x + 3x = 21
7x = 21
multiplication becomes division
x = 21 ÷ 7
x = 3
h = 4 × 3 = 12
Therefore h = 12
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