PLZZ HELP ASAP two numbers are in the ratio 5 : 8. If 9 is added to each number, we get a new ratio 8 : 11. Find the numbers.

let the number be 8x and 9x

5x+9  = 8

8x+9     11

55x+99=64x + 72

64x-55x= 99-72

9x=27

x=3

so the required numbers are

5x+9=5*3+9=24

8x+9= 33

15 and 24

Step-by-step explanation:

the ratio of the 2 numbers = 5 : 8 = 5x : 8x ( x is a multiplier ), then

5x + 9 : 8x + 9 = 8 : 11

Expressing the rations in fractional form

= ( cross- multiply )

8(8x + 9) = 11(5x + 9) ← distribute parenthesis on both sides

64x + 72 = 55x + 99 ( subtract 55x from both sides )

9x + 72 = 99 ( subtract 72 from both sides )

9x = 27 ( divide both sides by 9 )

x = 3

Thus the 2 numbers are

5x = 5 × 3 = 15

8x = 8 × 3 = 24

step-by-step explanation:

a.   since the profit made in 2012 is equal to the profit made in 2014, the profit is           symmetric about the line y = 120,000.

step-by-step explanation:

given that megan owns a clothing boutique.

the profits of 2010, 11, are recorded and shown as follows:

years since     2010 0     1     2     3       4       5

profits made in 1000's   39       84     111     120   111     84

we find that profit gradually increases form 2010 to 2013 upto 120,   then starts decreasing.

the profits for 2012 and 2014 are the same while that of 2011 and 2015 are also the same.

this shows that there is symmetry about the line profit = 120000

hence answer is:

a.   since the profit made in 2012 is equal to the profit made in 2014, the profit is           symmetric about the line y = 120,000.

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answer for #1 is c

answer for #2 is d

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