Question

a+b=1808 si a:b=5 rest 8

Answer 1

a + b = 1 808
a : b = 5 rest 8
a = 5 × b + 8
inlocuim in prima relatie pe a
5 × b + 8 + b = 1 808
6 × b = 1 808 - 8
6 × b = 1 800
b = 1 800 : 6
b = 300
a = 1 808 - 300 = 1 508