Question

The cost to upgrade from a standard seat to a seat with more legroom is £20. The standard seat costs s and the upgraded seat costs £406.

Complete the equation that describes this.
£ = s+ £
How much does the standard seat cost (s)?
S= £

Answer 1

Let the cost of standard seat be = s

Cost of upgraded seat = £406

Cost to upgrade from a standard seat to a seat with more legroom is = £20

Equation becomes =

`s+20=406`

`s=406-20=386`

Hence, the cost of standard seat is = £386