Question

aflati numerele a si b daca a+b=111 iar a:b=3 rest 15

Answer 1

a + b = 111. a : b = 3 r 15. a = 3 x b + 15 3 x b + 15 + b= 111. 4 x b = 111-15. 4 x b = 96. b= 96:4. b = 24 a= 111- 24 a =87

Answer 2

a+b= 111
a:b= 3 r 15
a= 3b + 15
3b + 15+ b= 111 |-15
4b= 96 |:4
b= 24
a= 111-24= 87