Examples:

Mathematics

1 answer:

Lady bird [3.3K]2 years ago

7 0

Answer:

Just list all the coefficients.

Step-by-step explanation:

one thing to know

If a variable is just there, like x, it's coefficient is always a one

1. (12 and 4)

2. (46 and 10)

3. (12 and 14)

4. (10 and 10)

5. (17 and 32)

6. (5,7 and -12)

7. (36 and 70)

8. (3,19 and 10)

9. (7 and 16)

10. (8 and 5)

11. (9 and 120)

12. (12 and 1)

13. (7,15 and 1)

14. (4,-8 and 12)

15. (6,17, and -35)

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Katie and becca each bought a new book for $50 . Katie sold her book to the bookstore for 25% less than the original price. . Be

r-ruslan [8.4K]

$\text{Lets find the prices in which they sold their books for}\\\\\text{Katie:}\\\\\text{She sold the book for 25\% less than the original price, so multiply 50 by}\\\text{0.25 and subtract}\\\\50*0.25=12.5\\\\50-12.5=37.50\\\\\text{Becca:}\\\\\text{Becca sold the book for 40\% less than the original price, calculate how}\\\text{much she sold it for}\\\\50*0.40=20\\\\50-20=30\\\\$ $\text{We need to find how much more money Katie made than Becca, so subtract}\\\text{Becca's cost from Katie's cost}\\\\37.50-30=7.50\\\\\boxed{\text{Katie received \$7.50 more than Becca}}$