Work out the percentage change to 2 decimal places when a price of £60 is increased to £89.99
1 answer:
You might be interested in
Aquí está las respuestas y el trabajo de cada una, si tienes alguna pregunta me envías un mensaje o un comentario
Step-by-step explanation:
Let's represent the number of mochas bought with the variable , and the number of lattes bought with the variable
.
Since there are students, the total number of mochas and lattes bought must be
. This can be represented with the following equation:
We can also set up another equation based on the total amount spent on the coffe:
If we rearrange the first equation, we can solve for :
If we substitute this into the second equation, we can solve for :
Subtituting this back into the original equation, we can solve for :
Therefore, 9 mochas and 14 lattes were bought.