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joja [24]
2 years ago
8

Jackson is two times older than Shelly. If the sum of their ages is 18, how old is Jackson?

Mathematics
2 answers:
salantis [7]2 years ago
6 0
Answer: jackson is 12

explanation:
let the age be represented by x
jackson is 2 times older than shelly so
2x is jackson’s age and x is shelly’s age

since the sum of their ages is 18 then:
2x + x = 18

solve:
3x = 18 ➔ divide by 3 on both sides
x = 6

so now we know shelly is 6

jackson is 2 times older than her so:
2(6) = 12

Licemer1 [7]2 years ago
6 0

Answer:

Jackson is 12 and Shelly is 6.

Step-by-step explanation:

Since we know Jackson is two times older than Shelly, it only makes since for our answer to be 12.

to find this you can make two circles and add dashes in each until you reach 18, but add 2 to Jackson to each 1 you put for Shelly.

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1 and 3 fourths - 7/10
valkas [14]

Answer:

1.05

There you go!

7 0
3 years ago
#3 (1 pt) A certain baseball card is very rare and is currently worth $2000. If the price of this card increases by 3% a year,
Galina-37 [17]

Answer:

$2000x(1.03)ˣ

Step-by-step explanation:

This is known as compound interest.

100% + 3% = 103%, so we put this into a decimal: 1.03

We now put this into the equation:

$2000x(1.03)ˣ

If you want to work out the price after, say 3 years, then you would change x to 3, so the equation becomes

$2000x(1.03)³

You can then use a calculator to work out the answer.

6 0
2 years ago
maximize P=9x+9y Subject to 2x+y is less than or equal to 30 x+2y is less than or equal to 24 x, y is greater than 0 What is the
Inga [223]
Find the intersection point between the 2 restraint equations:
30 - 2x = 12 - \frac{1}{2} x  \\ \frac{3}{2} x = 18  \\  x = 12

Substitute back in to find y-value:
y = 30 - 2(12) = 6

P is maximized at point (12,6)
P = 9(12)+9(6) = 162
3 0
3 years ago
If Greg can do a job in 6 hours, and pepper can do that same job in 5 hours, how long will it take to complete the job if they w
Kay [80]

5 hours and 30 minutes ya que ambos trabajaran la mitad del trabajo

8 0
2 years ago
Which equation is related to this equation? b + 17 = 52
Neporo4naja [7]

It would be d because you would subtract 52 from 17 to get the answer then add the number you got to 17 to get 52.
7 0
3 years ago
Read 2 more answers
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