5 subtracted from w is less than or equal to 16.Write inequality
1 answer:
Given:
The statement is given as 5 subtracted from w is less than or equal to 16.
The objective is to write inequality for the given statement.
Explanation:
Consider the first statement that is 5 is subtracted from <em>w</em>.
Then, the equation can be written as,
Explanation:
The result should be less than or equal to 16.
Thus, the final equation can be written as,
Hence, the obtained inequality is w - 5 ≤ 16.
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Let's call our unknown quantity 
. We'll need to add lbs of chocolate with a 1/15 ratio of cocoa butter to caramel to 300 lbs of chocolate with a 1/7 ratio of cocoa butter to caramel to yield 
lbs of chocolate with a 1/9 ratio of cocoa butter to caramel. We can set this up as an equation, but it's important to note something first: the ratio of the <em>caramel to the cocoa butter</em> is provided, but this is not the same thing as the <em>fraction of the chocolate the cocoa butter takes up</em>.
The 300 pounds of chocolate have 1 + 7 = 8 parts of cocoa butter and caramel total, which means that cocoa butter takes up 1/8 of those total parts; the pounds we're adding on has 1 + 15 = 16 total parts, which means the cocoa butter takes up 1/16 of those; and the pounds being produced have 1 + 9 = 10 total parts, so the cocoa butter takes up 1/10 of those parts. With this in mind, we can set up the following equation:
which we can rewrite as
From here, it would be helpful to combine the fractions on the left side of the equation. To do this, we'll convert the denominator of
to 16, multiplying it by 
to obtain the fraction 
. Combining that with 
, we have:
To get rid of the denominator on the left, we'll multiply both sides of the equation by 16, and to eliminate the one on the right, we'll multiply both sides by 10:
Simplifying:
And finally, we solve for:
So, the confectioner needs 200 lbs of chocolate that's 1 part cocoa butter and 15 parts caramel.
The 300 pounds of chocolate have 1 + 7 = 8 parts of cocoa butter and caramel total, which means that cocoa butter takes up 1/8 of those total parts; the
which we can rewrite as
From here, it would be helpful to combine the fractions on the left side of the equation. To do this, we'll convert the denominator of
To get rid of the denominator on the left, we'll multiply both sides of the equation by 16, and to eliminate the one on the right, we'll multiply both sides by 10:
Simplifying:
And finally, we solve for
So, the confectioner needs 200 lbs of chocolate that's 1 part cocoa butter and 15 parts caramel.