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s2008m [1.1K]
3 years ago
15

The school store sells pencils for $0.30 each,hats for $14.50 each,and binders for $3.20 each.Elena would like to buy 3 pencils,

a hat, and 2 binders.She estimated that cost will be less than $20.
Do you agree with her estimate?Explain your reasoning.


Estimate the number of pencils could she buy with $5.Explain or show your reasoning.
Mathematics
2 answers:
Tatiana [17]3 years ago
4 0

Answer:

Step-by-step explanation:

Yes, her estimate is not good because one hat is $14.50 and 2 binders are$3.20*2=^$6.40. Those two items combined is over $20. The pencils will put the total further over $20.

Pencils are $0.30 each. So 10 pencils will cost $3.

$5 - $3 = $2

The remaining $2 is enough for 6 more pencils.

So she could buy 10+6 = 16 pencils with $5.

solong [7]3 years ago
3 0

Answer:

no n 16

Step-by-step explanation:

cost for 3 pencils, a hat, and 2 binders

= 3*0.3+14.5+2*3.2

= $21.8 > $20

so estimate not good

5/0.3=16.6....

so she can buy 16 pencils

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