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2 years ago

Paula is now four times the age of Lynn Lynn will be 16 in 10 years how old was Paula four years ago show your work

Mathematics

1 answer:

Dovator [93]2 years ago

3 0

Greetings!

"Paula is now four times the age of Lynn. Lynn will be 16 in 10 years. How old was Paula four years ago?"

If Lynn will turn sixteen in ten years, she must be 6 at the current moment:
16-10=6

Since Paula is 4 times the age of Lynn, Paula must be:
6(4)
=24

24-4
=20

Paula was 20 years old, 4 years ago.

Hope this helps.
-Benjamin

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7 0

2 years ago

Sarah sells beaded necklaces she makes a profit of $4 on every necklace she sells which table represents the profit Sarah makes

Bogdan [553]

Answer:

The correct table is A.

Correct statement and question:

Sarah sells beaded necklaces she makes a profit of $4 on every necklace she sells which table represents the profit Sarah makes.

Necklaces Sold Profit $

4 16

6 24

8 32

10 40

Necklaces Sold Profit $

4 8

6 10

8 12

10 14

Necklaces Sold Profit $

4 4

6 8

8 12

10 16

Necklaces Sold Profit $

4 16

6 20

8 24

10 28

Source:

North Carolina Practice Test

Step-by-step explanation:

If Sarah makes a profit of $ 4 on every necklace she sells, then:

4 necklaces = 4 * 4 = $ 16

6 necklaces = 6 * 4 = $ 24

8 necklaces = 8 * 4 = $ 32

10 necklaces = 10 * 4 = $ 40

The correct table is A.

6 0

2 years ago

The sum of two integers is 8 and their product is -20. What are the integers?

emmasim [6.3K]

Answer:

The answer to your question is

x = -2 and y = 10 or x = 10 and y = -2

Step-by-step explanation:

x + y = 8 (1) from (1) x = 8 - y

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Solve them by substitution

(8 - y) y = - 20

8y - y² = -20

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( y - 10) (y + 2) = 0

y - 10 = 0 and y + 2 = 0

y1 = 10 y2 = -2

x1 = 8 - 10 x2 = 8 - -2

x1 = -2 x2 = 10

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