Question

Aflati x,y,z,t direct proportional cu 2,3,5,2 si suma lor egala cu 1440

Answer 1

x=2k

y=3k

z=5k

t=2k

x+y+z+t=2k+3k+5k+2k=1440

12k=1440

k=120

x=2*120=240

y=3*120=360

z=5*120=600

t=2*120=240