what number must be added to 3 and 8 so that the ratio of the first number to the second number is equal to 3 :4
1 answer:
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We have the equation:
So then we need to distribute -7p to the parentheses:
Then we need to set the equation equal to 0, so we must subtract 21 on both sides:
Then we need to factor this. So we end up with:
This is as much as this can be factored, so <u>we cannot go any further</u>.