A friend asks you to think of a number, double it, and then add 4. Write an algebraic expression using the variable x to describe your friend’s directions. Then find the value of the expression if the number you think of is 3

Step-by-step explanation:

x= the number

2x+4

3= x

2(3)+4=

6+4= 10

y= -

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.