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A pencil box and a notebook together cost $6.28 the notebook cost $0.70 more than the pencil box . How much does the notebook cost?

Sagot :

cringeyty1093

Answer:

the note book costs $5.58

Step-by-step explanation:

you take 6.28 - 0.70

hope this helps ;)

The cost of notebook is $3.49.

What is a word problem?

A word problem is a verbal description of a problem situation. It consists of few sentences describing a 'real-life' scenario where a problem needs to be solved by way of a mathematical calculation.

For the given situation,

Let the cost of pencil box be x

Let the cost of notebook be y

Total cost = $6.28

⇒ [tex]x+y = 6.28 ----- (1)[/tex]

The notebook cost $0.70 more than the pencil box,

⇒ [tex]y=x+0.70 ----- (2)[/tex]

Now substitute equation 2 in equation 1,

⇒ [tex]x+x+0.70=6.28[/tex]

⇒ [tex]2x=6.28-0.70[/tex]

⇒ [tex]x=\frac{5.58}{2}[/tex]

⇒ [tex]x=2.79[/tex]

∴ [tex]y=6.28-2.79[/tex]

⇒ [tex]y=3.49[/tex]

Hence we can conclude that the cost of notebook is $3.49.

Learn more about word problems here

brainly.com/question/20594903

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