1/2 because if there's at least 1 boy that same boy could be the elder child so 1 could be a boy and the other a girl younger than him
The answer is 8
8*2=16-4=12
This is quite simple, take 24 and divide it by four to get 6 now all you do is multiply 6 by 7 to get 42 so there are 42 blue marbles.
Answer: Rina is
feet taller than Ryan.
Step-by-step explanation:
Given, the height of Rina =
feet
The height of Ryan =
feet
To find : How much taller is Rina than Ryan?
Clue : Rina is taller than Ryan.
For that , we need to check the difference of the height between Ryan and Rina
i.e. (height of Rina) - (height of Ryan)

Hence, Rina is
feet taller than Ryan.
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