Collin and Caitlyn are 190 feet apart when they begin walking directly toward one another. Collin travels at a constant speed of 3.5 feet per second and Caitlyn travels at a constant speed of 4.5 feet per second. Let t represent the number of seconds that have elapsed since Collin and Caitlyn started walking toward one another.
Write an expression in terms of t that represents the number of feet Collin has traveled since he started walking toward Caitlyn.

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

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:

the cost of the pair of pants is $31.95