Question

emanuel has 745 pictures in his phone. His memory is getting full, so he starts deleting 20 pictures everyday. define each variable and write an algebraic expression to describe the number of pictures left on his phone after any given number of days

Answer 1

Let

x----------> the number of days

y--------> the number of pictures left on his phone

we know that

$y=745-20x$

therefore

the answer is

An algebraic expression to describe the number of pictures left on his phone after any given number of days is equal to

$y=745-20x$