Kate and Miley are selling Girl Scout cookies. Kate sold 27 boxes in 45 minutes. Miley sold12 boxes in 30 minutes. At the same rates, how many total boxes will the girls have sold
in one hour?

1,150 give brainliest

step-by-step explanation

2r= 2300

r =1150

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

about 0.75 hours

step-by-step explanation:

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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