Question

a)a+b=10745 a:b=4 aflati numerele




b)8778-a=b a:b=2



c)a+b+c=2140 a:b=2 c:b=7

Answer 1

a) a=4b, 4b+b=10745, 5b=10745, b=2149, a= 4*2149, a=8596
b) a=2b, 8778-2b=b, 8778=b+2b, 8778=3b, b=2926, a=2*2926, a=5852
c) a=2b, c=7b, 2b+b+7b=2140, 10b=2140, b=214, a=428, c=1498