Answer: [tex]\dfrac{1}{2}y-5[/tex]
Step-by-step explanation:
Given : Yohanna swam y yards yesterday.
If Sheylin swam 5 yards less than half the amount of yards as Yohanna.
Then, the distance swam by Sheylin= [tex](\dfrac{1}{2}y-5)\text{ yards}[/tex]
Therefore, The expression that represents the number of yards Sheylin swam yesterday:
[tex]\dfrac{1}{2}y-5[/tex]
