Answer:
Step-by-step explanation:
We want probability that 1st is girl AND 2nd is girl as well.
In probability "AND" means multiplication and "OR" means "addition".
<u><em>We find the probabilities separately and multiply them together, since "AND".</em></u>
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- P(girl from 7th grader) = number of girl 7th grader/total number of 7th grader
=9/10
- P(girl from 8th grade) = number of girl in 8th grade/total number of 8th grader
=2/4
P(both girls) = 9/10 * 2/4 =9/20
Answer:
-x - 94/3
Step-by-step explanation:
5(x - 3) - 3(2x + 49/9)
5x - 15 - 6x - 49/3
(5x - 6x) + (-15 - 49/3)
-x - 94/3
Answer:
$0.22
Step-by-step explanation:
Ellen has a coupon of 1.55 off a loaf of bread
The regular price of the bread is 4.63, the loaf is cut into 14 slices
Therefore if she uses her coupon the price per slice can be calculated as follows
= 4.63-1.55
= 3.08
3.08/14
= 0.22
Hence the price is $0.22
Try 10+10+10+10=40 because it has the same amount of sides,height and width
Answer:
you cannot have a greatest common factor when you are adding, only when multiplying or dividing.
Step-by-step explanation: