Kim is reading a book with 380 pages. She read 20 pages each day until she reached Part 2 of the book. Part 2 of the book is 160 pages long. She uses the equation 380-20d=160 to represent the number of days, d, it took her to read Part 1. How many days did it take Kim to read Part 1 of the book?

Question

Mathematics

Elisa

11 April, 06:04

Kim is reading a book with 380 pages. She read 20 pages each day until she reached Part 2 of the book. Part 2 of the book is 160 pages long. She uses the equation 380-20d=160 to represent the number of days, d, it took her to read Part 1. How many days did it take Kim to read Part 1 of the book?

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Answers (2)

Know the Answer?

Smokey · Answer 1

Answer: It took her 11 days to read Part 1 of the book.

Step-by-step explanation:

380 - 20d = 160

Subtract 380 from each side

-20d = - 220

Divide each side by - 20

d = 11

Marianna · Answer 2

Step-by-step explanation:

380-20d=160

subtract 380 from both sides

-20d=-220

divide each side by - 20

d=11