Question

Afla a,b,c stiind ca a supra 3 = b supra 2= c supra 5 2a+b+3c=46

Answer 1

a/3 = b/2 = c/5 = k

a = 3k

b = 2k

c = 5k

2a+b+3c = 46

2*3k + 2k + 3*5k = 46

6k + 2k + 15k = 46

23k = 46

k = 2

Atunci a = 3k = 6

b = 2k = 4

c = 5k = 10