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

`(21)/(56)=(27)/(x)`
`\begin{gathered} 21x\text{ = 56 }*27 \\ x\text{ =}(1512)/(21) \\ x\text{ = 72} \end{gathered}`

Now to complete the table we have