https://www.adamaths.com/forum/
10070020020
https://www.adamaths.com/forum/viewtopic.php?f=88&t=3383
Page
1
of
1
10070020020
Posted:
Thu Nov 23, 2017 4:30 pm
by
ada
$a$ is directly proportional to $b$. When $a=20, b=4$.