What is the answer to the queastion 15 out of 40 - n equals 1 out of 5?

Anonymous

∙ 14y ago

Updated: 8/19/2019

The "answer" is the number that ' n ' must be

in order for the statement to be true.

15/(40-n) =1/5

Multiply each side of the equation by (40-n):

15 = (40-n)/5

Multiply each side by ( -5 ):

-75 = n-40

Add 40 to each side:

-35 = n

Wiki User

∙ 14y ago

What else can I help you with?

Solve by the substitution method 15x-20y equals -1 15y equals 2 plus 5x?

Given: 15x - 20y = -1 15y = 2 + 5x Then: 15x -20(2 + 5x)/15 = -1 &there4;15x -40/15 - 100x/15 = -15/15 &there4;225x/15 - 100x/15 = 40/15 - 15/15 &there4;125x = 25 &there4;x = 1/5 Check: 15(1/5) - 20(1/5) = -1 &there4;3 - 4 = -1 &there4;-1 = -1

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Fractions equals to 40: 40/1, 80/2. 120/3. 160/4,...

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The least common multiple (LCM) of 10 and 40 is 40. 40 times 1 equals 40, and 10 times 4 equals 40.

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It equals 1 tbsp of water