Sara drives 72 miles on 3.2 gallons of gas. she uses this information to calculate how many miles per gallon she can drive. using this result how many miles can sara drive on 13.3 gallons of gas?

72/3.2 = 22.5 miles per gallon

22.5 x 13.3 = 299.25 miles. Round answer as needed

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:

add 8+12 to get a simplified answer of 12r-20