Step-by-step explanation:

find the value of N

1. 1:N=5:10

(n)(5)=(1)(10)

5n=101369

n=2

2.N=3=6:18

(n)(18)=(3)(6)

18n=18

n=1

3.4:10=N:5

(10)(n)=(4)(5)

10n=20

n=2

4.8:15=N:170

(n)(15)=(8)(170)

15n=1360

n=272/3

5.3:15=N:27

(15)(n)=(3)(27)

15n=81

n=27/5

pa BRAINLIEST naman po ang sagot ko