A candy store makes a 11lb mixture of gummy bears, jelly beans and gobstoppers. The cost of gummy bears is $2.00 a lb, jelly beans cost $2.00 per pound and gobstoppers cost $1.00 per pound. The mixture calls for 3 times as many gummy bears as jelly beans. The total cost of the mixture is $20 how much of each ingredient did the store use

eve and marks ratios are equivalent

step-by-step explanation:

0.32

step-by-step explanation:

2.24/7

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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answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

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