2 years ago

Can’t figure out M<7/12 The options are A.1 B.-1 C.-9 D.-5

Mathematics

1 answer:

sladkih [1.3K]2 years ago

8 0

M < 7 / 12

(1) < 7 / 12

(1) < 0.583333333 (false statement)

(-1) < 7 / 12

(-1) < 0.583333333 (true statement)

(-9) < 7 / 12

(-9) < 0.583333333 (true statement)

(-5) < 7 / 12

(-5) < 0.583333333 (true statement)

B C D maybe?

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Armando put $78 into a CD that pays 4.9% interest. According to the rule of

FromTheMoon [43]

It will take 14.7 years for Armando's money to double.

Option C

<u>Explanation:</u>

The rule of 72 is generally used to estimate the number of years required to double the invested money at a given annual rate of return. And alternatively to find the number of years required to double the money at a given interest rate, we have to just divide the interest rate into 72.

Here, the interest rate is 4.9%. Therefore, it would be as follows

$\Rightarrow\frac{72}{4.9} = 14.7 \text{ years }$