14 + 10y ≥ 3(y + 14) A. y ≥ –4B. y ≥ 4 C. y ≥ 8D. y ≥ 6
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Let's call the number we're looking for . We know that
is twice as much as
.
Twice as much as a number simply means the double of that number, and in turn the double of a number means to muliply that number by 2.
So, in order to obtain , you have to multply
by 2. In formula, you have
or simply