Question

Aflati nr. nat. n , daca:
a)n pe 5 =4/10
b)3/4=n/8
c)10 pe n=5/2

Answer 1

a. n/5=4/10
10n=4x5
10n=20--> n= 20/10=2

b.3/4=n/8
4n=3x8
4n=24---> n=24/4=6

c.10/n=5/2
5n=2x10
5n=20--> n=20/5=4