An ice skating rink charges $5 for admission and $2.50 to rent skates. Jill can purchase a new pair of skates for $65. How many times would she need to go the rink to justify buying the skates rather than renting a pair?

Question

anonymous · Answer

i think you should find the lowest common multiple

parthkohli · Answer

You may put an equation too.

anonymous · Answer

the answer is one of these three

anonymous · Answer

5 units
10 units
12.5 units

parthkohli · Answer

5 for admission is the money necessary.
2.50 for every skate.

So if you rent x skates, you'd have the rent given by $5 + 2.5x$

parthkohli · Answer

Equate that with 65 and solve for $x$. $$ \color{Black}{\Rightarrow 5 + 2.5  x = 65}$$$$ \color{Black}{\Rightarrow 2.5x = 65 - 5 }$$$$ \color{Black}{\Rightarrow x = {65 - 5 \over 2.5}  }$$Got it?

anonymous · Answer

yea thanks

anonymous · Answer

it coudlnt be 24