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12345 [234]
3 years ago
9

Mina, bobby, and Julia each have the same number of pencils. 2/6 of Mina's pencils are red, 2/3 of Bobby's pencils are red, and

2/4 of Julia's pencils are red. Who has more pencils, Julia or Bobby?
Mathematics
1 answer:
RUDIKE [14]3 years ago
6 0
Bobby. If you find the common denominator here which is 12 then Mina has 4/12 red pencils, bobby has 8/12 red pencils, and julia has 6/12 repent ils. Therefore bobby has the most red pencils.
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The lee's spend $ 31 on movie tickets for 2 adults and 3 children. The Smith's spent $ 26 on movie tickets for 2 adults and 2 ch
Trava [24]

Answer:

Cost of adult ticket is $8 and Cost of children ticket is $5.

Step-by-step explanation:

Given:

Let the cost of each Adult ticket be 'x'.

Let the cost of each child ticket be 'y'.

Now Given:

The lee's spend $ 31 on movie tickets for 2 adults and 3 children.

Number of adult tickets = 2

Number of children ticket = 3

Total money spent = $31

So we can say that;

Total money spent is equal to sum Number of adult tickets multiplied by cost of each Adult ticket and sum Number of children tickets multiplied by cost of each child ticket.

framing in equation form we get;

2x+3y=31 \ \ \ \ equation \ 1

Also Given:

The Smith's spent $ 26 on movie tickets for 2 adults and 2 children

Number of adult tickets = 2

Number of children ticket = 2

Total money spent = $26

So we can say that;

Total money spent is equal to sum Number of adult tickets multiplied by cost of each Adult ticket and sum Number of children tickets multiplied by cost of each child ticket.

framing in equation form we get;

2x+2y=26 \ \ \ \ equation \ 2

Now Subtracting equation 2 from equation 1 we get;

2x+3y-(2x+2y)=31-26\\\\2x+3y-2x-2y=5\\\\y=\$5

Now substituting the value of y in equation 1 we get;

2x+3y=31\\\\2x+3\times5 =31\\\\2x+15=31\\\\2x=31-15\\\\2x=16x\\\\\frac{2x}{2}\frac{16}{2}\\\\x=\$8

Hence Cost of adult ticket is $8 and Cost of children ticket is $5.

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3 years ago
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sergey [27]

Answer:

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Step-by-step explanation:

bc u have to put the 3x on the other side of the equation, then you will have y=1 - 3x, next you will flip 1 and 3x, and the answer is 1

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