Olivia has a one-gallon pitcher to fill with orange juice. She uses the standard ratio of one can of concentrate to three cans of cold water. How much concentrate does she need to fill the pitcher with juice?

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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:

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2

its the second choice.

step-by-step explanation:

the elements in the range will be 7 less than the elements in the domain.