a. 6/7 : 4,9 b. 375% : 2 1/5 c. 81% : 2/9 d. 366% : 2,6 tolong jawab abcd nya pakai cara ya

A. 6/7 : 375%
=6/7 : 3.75
=6/7 x 1/3.75
=6/26.25
=0.228571
b. 375% : 2 1/5
=3.75 : 11/5
=3.75 x 5/11
=1.704545
c. 81% : 2/9
=0.81:2/9
=0.81×9/2
=3.645
d. 366% : 2,6
=3.66:2,6
=1,83, 6