Answer:
63
Step-by-step explanation:
(6+9÷3)×7
division is always first
(6+3)×7
then parenthesis
9×7
multiply
63
Total number of boys = 200
Number of left handed boys = 50
If a students is known to be a boy, the probability that he is left handed will be equal to = (Number of left handed boys) / (Total Number of boys)
So, If a students is known to be a boy, the probability that he is left handed will be =
Thus, the correct answer is option B
-3.5x3= -10.5 -10.5+7.4= -3.1 -3.1+1= -2.1
Answer: -2.1 yards
30 less than 10 is 30 - 10 which is -20
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