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asambeis [7]
3 years ago
5

Apply the distributive property to write equivalent expressions in expanded form :

Mathematics
1 answer:
marusya05 [52]3 years ago
3 0
1). 8h + 3•8= 8h+ 24
2). 3•2h+3•7= 6h+21
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2) Brian purchased pens for 75 cents each and pencils for 40 cents each he bought total of 22 writing utensils for $11.95. How m
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Answer:

13 pencils.

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Let x be the pens and y be the pencils

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Brian purchased pens for 75 cents each and pencils for 40 cents each he bought total of 22 writing utensils for $11.95.

Total pens and pencils is 22

So, x+y=22----------------(1)

And he bought all utensils for $11.95. and each pen for 75 cents and pencils for 40 cents.

0.75x+0.40y=11.95------------(2)

solve equation 1 and equation 2 for x and y.

From equation 1.

x+y=22

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put y value in equation 2.

0.75x+0.4(22-x)=11.95

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0.75x+8.8-0.4x=11.95

0.75x-0.4x=11.95-8.8

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y=22-9

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So, he buy 13 pencils.

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