Lamar paid $93 for a bicycle what was on sale for 60% of its original price. what was the original price of bicycle

15 point ! ~ see if you know the answer to both you!

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document