Question 840483
_______________speed____________time____________distance
Amal___________r+5______________3_______________(r+5)3
Hana____________r_______________3_______________r*3
Total___________________________________________333


{{{highlight_green((r+5)3+r*3=333)}}}, solve for r and then find r+5.
first step could be {{{3r+15+3r=333}}},
{{{6r+15=333}}}
...!