Question

Calculeaza:
a x b x c = 40
a x b = 10
a x c = 8

Answer 1

a*b*c=40 a*b=10. a*c=8 a*b= 10 => a*b*c=40=>10*c=40. c=4 a*c=8. a*4=8=>a=2 a*b=10. 2*b=10. b=5

Answer 2

axb= 10 2x5=10 axc=8. 2x4=8 axbxc=40. 2x5x4=40