You, Newton, and Descartes walk dogs to earn spending money this summer. You spend 2 times as many minutes walking dogs as Newton. Descartes spends 3 times as many minutes walking dogs as Newton. You, Newton, and Descartes spend 3,030 minutes walking.dogs altogether. How many minutes does Newton walk dogs?
Let
x -----> minutes does Newton walk dogs
y ----> minutes does Descartes walk dogs
z ----> minutes does you walk dogs
so
z=2x ------> equation A
y=3x ------> equation B
x+y+z=3,030 ------> equation C
substitute equation A and equation B in equation C
x+(3x)+(2x)=3,030
solve for x
6x=3,030
x=505 minutes
therefore
the answer is
Newton walk dogs 505 minutes