Introducing Ratios:Question 2 One batch of cookies calls for 5 cups of flour for every 3
cups of chocolate chips. How many cups of flour should be
used for 27 cups of chocolate chips?
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I

45 cups

Step-by-step explanation:

5:3

Multiply by 9 (3*9=27)

45:27

You would need 45 cups of flour to match the equivalent ratio of 5:3.

(45:27)

45 cups of flour

Step-by-step explanation:

Flour:Chocolate = 5:3

?:27

27/3 = 9

9 x 5 = 45

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:

you have to put the graph on here with the question

step-by-step explanation: