Carlos went out to a restaurant for dinner he took 25% off his bill which brought the sum of the dinner bill plus the tip to $45 how much was the original bill

Answer

56.25

Step-by-step explanation:

First I converted the percent to a decimal which was 0.25                          

Then i multiplied 0.25 by 45 which was 11.25

Lastly I added 11.25 by 45 which was 56.25

56.25        

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.