20 9\16 + 24 5\8 + 21 5\16 + 23 3\8 don't simplify

88  14/16

Step-by-step explanation:

I call these mixed numbers, a mixed number is written as a b/c and it means

So, we can use the above to re arrange our expression to a more convenient presentation.

we have>

88  14/16, we tend to no simplify this expression anymore since, the number 14/16 usually means something in real life, like the diameter for a construction pipe

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.