Question

the attendant at a parking lot compared the number of hybrid vehicles to the total number of vehicles in the lot over a weekend the ratio for the three days were equivalent complete the table

Answer 1

Since the ratios are equivalent, we can equate the ratio of hybrid vehicles to total number of vehicles for the 3 days, Friday, Saturday and Sunday

3: 8 = 21: 56 = 27: x

$\frac{21}{56}=\frac{27}{x}$$\begin{gathered} 21x\text{ = 56 }\times27 \\ x\text{ =}\frac{1512}{21} \\ x\text{ = 72} \end{gathered}$

Now to complete the table we have