Lesson 13 Practice Problems Review

Is there a proportional relationship between a measurement in yards and a measurement in miles for the same distance?

Is it a proportional relationship? The remaining length (L) of 120-inch rope after x inches have been cut off: 

Is it a proportional relationship? The total cost (t) after 8% sales tax is added to an item's price (p):  $1.08p=t$  

Is it a proportional relationship? The number of marbles each sister gets (x) when m marbles are shared equally among four sisters:  $x=\frac{m}{4}$  

Is it a proportional relationship? The volume (V) of a rectangular prism whose height is 12 cm and base is a square with side lengths s cm:  $V=12s^2$  

Use the equation $y=\frac{5}{2}x\ or\ y=2.5x$ to solve if  $x=2$  

Use the equation $y=\frac{5}{2}x\ or\ y=2.5x$ to solve if  $x=3$  

Use the equation $y=3.2x+5\$ to solve if  $x=1$  

Use the equation $y=3.2x+5\$ to solve if  $x=4$  

How many packets would be needed to transmit 30,000 bytes of information?

How much information could be transmitted in 30,000 packets?