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find each missing number.
1.)19/n = 0.76
2.)n:20 = 0.55
3.)n = 1:10 (n is a decimal)
4.) n% = 1:100
5.) n% = 33:100
6.) 99% (n is a decimal)
7.) n/25 = 17:25
8.) 41:n = 0.82
9.) n/25 = 0.08
10.) 21:n = 0.21

math 
Bosnian,
1.)
19 / n = 0.76 Multiply both sides by n
19 = n * 0.76 Divide both sides by 0.76
19 / 0.76 = n
25 = n
n = 25
2.)
n : 20 = 0.55 Multiply both sides by 20
n = 0.55 * 20
n = 11
3.)
n = 1 : 10
n = 0.1
4.)
n % = 1 : 100
1 % = 1 : 100
5.)
n % = 33 : 100
33 % = 33 : 100
6.)
99 % = 99 : 100 = 0.99
7. )
n / 25 = 17 : 25
Obviously n = 17
8. )
41 : n = 0.82 Multiply both sides by n
41 = n * 0.82 Divide both sides by 0.82
41 / 0.82 = n
50 = n
n = 50
9. )
n / 25 = 0.08 Multiply both sides by 25
n = 25 * 0.08
n = 2
10. )
21 : n = 0.21
Obviously n = 100 becouse
21 : 100 = 0.21