You have $20 and spend $2.50 a day for lunch, write and equation for the amount of money you have

I don't know if this will be right but:

$20 - $2.50x

Step-by-step explanation:

You start of with 20 dollars, for each day (x), $2.50 will be taken out of your 20 each day.

this is not the answer this is just a question. is this middle school math?

step-by-step explanation:

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.