Question

You can exchange 10 euro (€10) for 210 peso.

How many pesos will you get in exchange for 1 euro (€1)?

Write down a function to show the relationship between y pesos and x euros.

Answer 1

Explanation:

As stated in the question,

let's number of euros be x and number of pesos be y

So,

10x =210y

x=21y

x - 21y =0 (Functional relationship between x euros and y pesos)