1 1/2ft multiplied by 20 halve inches PLEASE RESPOND QUICKLY ITS DUE TMR AND IM TIRED AND WANT TO SLEEP SO I NEED TO FINISH​

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa