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kobusy [5.1K]
3 years ago
7

There are 165 laptops and desktop computers in a lab. There are 9 more laptops than desktop computers. What is the total number

of laptops in the lab?
Mathematics
2 answers:
Alina [70]3 years ago
4 0

Answer:

87

Step-by-step explanation:

Let d = number of desktops.

Let a = number of laptops.

a + d = 165

a = d + 9

d = a - 9

a + d = 165

a + a - 9 = 165

2a - 9 = 165

2a = 174

a = 87

Answer: 87

FromTheMoon [43]3 years ago
4 0

Answer:

87

Step-by-step explanation:

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A company that makes? hair-care products had 7000 people try a new shampoo. Of the 7000 ?people, 42 had a mild allergic reaction
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A theater has 40 seats in the first row, 43 seats in the second row, 46 seats in the third row, and so on. How many seats are th
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1. 18 x 3 = 54
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