Can someone help me? It’s number 13 I been trying but I don’t get it :(

d=

Step-by-step explanation:

Convert the fractions to have common denominators.

.

Now, isolate the "d" variable by doing the opposite operation and subtracting the 2/6 from both sides.

Simply 3/6 and you should get 1/2.

2/5

step-by-step explanation:

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.