Answer :
Hey there!
1 pear=3/4 apple
1 orange=2/3 pear
1 orange=(2/3)(3/4 apple)=1/2 apple
So 72 oranges cost as much as 36 apples.
1 pear=3/4 apple
1 orange=2/3 pear
1 orange=(2/3)(3/4 apple)=1/2 apple
So 72 oranges cost as much as 36 apples.