There are 12 more cars than trucks in the park garage. the ratio of truck to car is 3:5. how many trucks and how many car are in the park garage?

18:30

the ratio is 3:5 and if there is 3 and 5 and that’s a 2 car difference and if you need a 12 car difference you have to take 12 divide it by 2 which is 6 so you multiply 3 and 5 by six

answer: c i think

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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step-by-step explanation: