Question

if 4 tickets costs$40, how much does 17 tickets cost?

Answer 1

$\text{total cost=170 dollars}$

Explanation

Step 1

find the unit rate ( the cost of 1 ticket)

$\begin{gathered} \text{unit cost=}\frac{40\text{ dollars}}{4\text{tickets}} \\ \text{unit cost=10 dollars per ticket} \end{gathered}$

Step 2

now, multiply the unit cost by the number of tickets

$\begin{gathered} \text{total cost= number of tickets}\cdot\text{ unit cost} \\ \text{total cost=17 tickets}\cdot10\text{ }\frac{dollars\text{ }}{\text{ticket}} \\ \text{total cost=170 dollars} \end{gathered}$

I hope this helps you