If john gets 1 apple and already has 20 in a basket how many do you have in total.

21

Step-by-step explanation:

the reason it is 21 is because u have 20 then u add 1 so it is 21 20+1=21

━━━━━━━━━━━━━━━ ♡ ━━━━━━━━━━━━━━━  

John already has 20 apples. If John gets 1 more apple, he would have 21 apples in total.

The word gets means addition. 20 plus 1 equals 21.

John has 21 apples after he gets another apple.

Ok technically I would have 0 apples since I didn't receive any only John did.

━━━━━━━━━━━━━━━ ♡ ━━━━━━━━━━━━━━━  

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be