Answer:
p = 0.513
Step-by-step explanation:
There are 212 families with exactly 3 children. So in all, there are 212*3 = 636 children.
Of those,
The number of girls is:
81 + 76*2 + 31*3 = 326
That is, 326 girls out of 636 children.
Then

Answer:
Yes
Step-by-step explanation:
When the greatest common factor of two numbers is 1 or -1, the numbers are known as relatively prime. This means there are no numbers that can be factored out of both of the numbers, meaning if the numerator and denominator are relatively prime, they can not be simplified any further.
6 what left? is "six" ok? if "six" instead of 6 letters is meant here, then you can:
the initial word is "Sixty"
You take "ty" away, you have six... which is 6!
Answer:18 weeks
Step-by-step explanation:
10 x 1.07 = $10.70
therefore, she paid 7% tax for her purchase.