Question

suma a 4 nr este 110. daca din fiecare nr se scade acelas nr se obtin 4 nr consecutive a caror suma este 70 . afla cele 4 nr consecutive apoi cele 4 nr date

Answer 1

a-x
b- x+1
c- x+2
d- x+3


x+x+1+x+2+x+3=70
4x+1+2+3=70
4x+1+2=67
4x+1=65
4x=64
x=16
x+1=17
x+2=18
x+3=19

16+17+18+19=70

110-70=40
40:4=10
a=16+10=26
b=17+10=27
c=18+10=28
d=19+10=29

26+27+28+29=110