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4 years ago

Tanya is 1 year less than three times the age of her sister Jessica. Jessica is five years old. How old is Tanya

Mathematics

2 answers:

Nina [5.8K]4 years ago

4 0

Tanya would be 14 because jassica is 5 and 5x3=15-1=14

Inessa05 [86]4 years ago

3 0

We have an equation: 3* (age of Jessica) -1= (age of Tanya)
⇒ 3*5 -1= ?
⇒ ?= 15-1
⇒ ?= 14.

Tanya is 14 years old~

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Shelly and Mickelle are making a quilt. They have a piece of fabric that measures 48 inches by 168 inches.

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Answer:

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7 0

4 years ago

Read 2 more answers

Three brothers Charlie Robert and Nicholas have 21 video games Charlie has twice as many games as Robert. Robert has 5 fewer gam

AVprozaik [17]

Answer:

The equation would be $4x-15=21$ .

Step-by-step explanation:

Given;

Total Number of Video games = 21

Let the number of video game Nicholas has be 'x'.

Now Given:

Robert has 5 fewer games than Nicholas.

so we can say that;

number of video game Robert has = $x-5$

Also Given:

Charlie has twice as many games as Robert.

so we can say that;

number of video game Charlie has = $2(x-5)=2x-10$

we need to write the equation.

Solution:

Now we can say that;

Total Number of Video games is equal to sum of number of video game Nicholas has, number of video game Robert has and number of video game Charlie has.

framing the equation we get;

$x+x-5+2x-10=21\\\\4x-15=21$

Hence The equation would be $4x-15=21$ .

On Solving we get;

Adding both side by 15 we get;

$4x-15+15=21+15\\\\4x=36$

Dividing both side by 4 we get;

$\frac{3x}{4}=\frac{36}{4}\\\\x=9$

Hence Nicholas has = 9 video games

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Charlie has = $2x-10 = 2\times9-10=18-10=8$ video games

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