Abakery sells a pack of peanut butter cookies for $3 and a
pack of chocolate chip cookies for $5. if the bakery
sells x packs of peanut butter cookies and y packs of
chocolate chip in a month, what is the objective
function f(x, y) for that month's revenue in terms of x and y
f(x, y) = 5x + 3y
f(x, y) = 3x + 5y
f(x, y) = x + y
f(x, y) = x - y

its the fourth option

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

the answer is 40.

proof:

the answer would be  

a.

3: 1

step-by-step explanation: