A $320 dollar suit is marked down by 30%, find the sales price

$224

Step-by-step explanation:

320(0.3) =96

320-96 = 224

The answer is $96.

Step-by-step explanation:

Use friendly precnents and do 320/10=32 then you do 20/10 3 times and then you add them together and you get the answer.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

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: