Alonzo earns 8% commission on vacuum cleaner sales. This past month, Alonzo sold 70 units at $150.00 each. How much did Alonzo make in commissions for the past month? Explain how you found your answer.

$840

Step-by-step explanation:

price  of 1 vacuum cleaner = $150

total no . of vacuum cleaner sole = 70

thus,

price of 70 vacuum cleaner sold = 70*price  of 1 vacuum cleaner

price of 70 vacuum cleaner sold = 70*$150 = $10,500

commission of Alonzo = 8% of total vacuum cleaner sold

commission of Alonzo = 8% of $10,500

commission of Alonzo = 8 /100 * $10,500 = $840

Thus, Alonzo made $840 in past month

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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