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Vedmedyk [2.9K]
2 years ago
11

Mary bought 10 notebooks that each cost the same amount. She paid with a $100 bill and receive $13 dollars in change a. Write an

equation that can be used to find x, the cost of each notebook. b . Solve the equation
Mathematics
2 answers:
AURORKA [14]2 years ago
5 0

Answer:

  • 10x = 100 - 13
  • $8.70

Step-by-step explanation:

<u>The equation would be:</u>

  • 10x = 100 - 13

<u>Solving to get the cost of each notebook:</u>

  • 10x = 87
  • x = 87/10
  • x = 8.7
uranmaximum [27]2 years ago
4 0

Answer:

\frac{100-13}{x}

Step-by-step explanation:

$100 - $13 = $87

87 / x = \frac{87}{x}

Chow,...!

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