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MariettaO [177]
1 year ago
5

An online store sells two types of speaker docks for smartphones. The higher-priced speaker dock sells for $170 and the lower-pr

iced speaker dock sells for $80. Last week the store sold four times as many lower-priced speaker docks as higher-priced speaker docks. Combined sales totaled $4,410. How many lower-priced speaker docks did it sell?
Mathematics
1 answer:
Alenkinab [10]1 year ago
8 0

The lower-priced speaker docks and higher-priced speaker docks is 9 and 36 respectively.

<h3>Algebra</h3>

  • Cost of higher-priced speaker = $170
  • Cost of lower-priced speaker = $80
  • Number of lower-priced speaker = 4x
  • Number of higher-priced speaker = x

Higher-priced speaker = 170 × x

= 170x

Lower-priced speaker = 80 × 4x

= 320x

Total sales = $4,410

170x + 320x = 4,410

490x = 4,410

divide both sides by 490

x = 4,410 / 490

x = 9

So,

Number of lower-priced speaker = 4x

= 4 × 9

= 36

Number of higher-priced speaker = x

= 9

Therefore, the lower-priced speaker docks and higher-priced speaker docks is 9 and 36 respectively.

Learn more about algebra:

brainly.com/question/723406

#SPJ1

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