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Bond [772]
2 years ago
6

For every left handed person, there are about 4 right-handed people. If there are 30 students in a class, predict the number of

students who are right-handed
Mathematics
2 answers:
Snezhnost [94]2 years ago
4 0

Answer:

24

Step-by-step explanation:

30/5=6

1•6=6 Left handed

4•6=24 Right handed

EleoNora [17]2 years ago
4 0

Answer:about 24


Step-by-step explanation:

this is because if you add 1 lefty and 4 righty you get 5 total. Now, you divide 30÷5=6. Then 30-6=24. here you go.

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The Schuller family has five members. Dad is 6ft 2in tall. Mom is 3 inches shorter than Dad, but 2 inches taller than Ivan. Marc
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Answer:

62 inches

Step-by-step explanation:

Let x be the height ( in inches ) of Ivan,

∵ Marcia is 5 inches shorter than Ivan,

height of Marcia = x - 5,

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height of sally-jo = \frac{x-5}{2}

Mom is 2 inches taller than Ivan.

⇒ height of mom = x + 2,

Mom is 3 inches shorter than Dad,

height of dad = x + 2 + 3 = x + 5,

So, mean height of family is,

\frac{x+x-5+\frac{x-5}{2}+x+2+x+5}{5}

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=\frac{9x-1}{10}

According to the question,

x + 5 = 74 ( 1 ft = 12 in )

x = 69

Hence, mean height of the family = \frac{9\times 69-1}{10}

=\frac{620}{10}

= 62 inches

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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