Answer:
a. 
b. 
Step-by-step explanation:
a. A number decreased by 11 is at most 14.

b. Ten less than five times a number is less than four times the number decreased by eight.

Answer:
D but dont get mad
Step-by-step explanation:
Answer:

And replacing we got:

And we can calculate this probabilit using the normal standard distribution or excel and we got:

Step-by-step explanation:
If we define the random variable of interest "the amount spent by a family of four of food per month" and we know the following parameter:

And we want to find the following probability:

And we can use the z score formula given by:

And replacing we got:

And we can calculate this probabilit using the normal standard distribution or excel and we got:
