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3 years ago

The product of 110 and h, plus 115 equals 63

Mathematics

2 answers:

Dima020 [189]3 years ago

7 0

Answer:

h = -0.5

Step-by-step explanation:

110h + 115 = 63

63 - 115

= -52

110h = -52

h = -0.5

zepelin [54]3 years ago

7 0

h = -26/55

Step-by-step explanation:

110h + 115 = 63

1. Subtract 115 from 63

110h = -52

2. Divide -52 by 110.

h = -52/110

3. Simplify.

h = -26/55

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A stadium has 50,000 seats. Seats sell for $25 in section A, $20 in section B, and $15 in section C. The number of seats in sect

Novay_Z [31]

Answers:

section A = 25,000 seats

section B = 14,200 seats

section C = 10,800 seats

Your teacher may want you to leave out the commas from each number.

=============================================================

Work Shown:

A = number of seats in section A
B = number of seats in section B
C = number of seats in section C

A = B+C

A+B+C = 50,000

B+C+B+C = 50,000

2(B+C) = 50,000

B+C = 50,000/2

B+C = 25,000

C = 25,000 - B

25A + 20B + 15C = 1,071,000

25(B+C) + 20B + 15C = 1,071,000

25(25,000) + 20B + 15(25,000 - B) = 1,071,000

625,000 + 20B + 375,000 - 15B = 1,071,000

1,000,000 + 5B = 1,071,000

5B = 1,071,000 - 1,000,000

5B = 71,000

B = (71,000)/5

B = 14,200 is the number of seats in section B

C = 25,000 - B

C = 25,000 - 14,200

C = 10,800 is the number of seats in section C

A = B+C

A = 14,200 + 10,800

A = 25,000 is the number of seats in section A

--------------

Check:

A+B+C = 25,000+14,200+10,800 = 50,000

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Answer:

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