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3 years ago

Down to the nearest whole number 8.36

Mathematics

2 answers:

Wewaii [24]3 years ago

8 0

The 3 is less than 4 so u go down to the 10th so that would just be 8

almond37 [142]3 years ago

4 0

First we take the number as it is. Second, we look at the last number. 6 is rounds up to ten which rounds the 3 up to a 4. So now we come up with 8.4, but that isn't a whole number. We can then round 4 to 0 because it's closer to 0 on a number line. Now, our answer is 8.0, but, in order to have a whole number, we can't have any decimals. we can, then, take away the 0 and the decimal, which leaves us 8, and 8 is a whole number; we can now say the answer is 8. :)

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Gavin has $7,500 to invest. He is considering two investment options. Option A pays 4% simple interest. Option B pays 3.15% inte

Leviafan [203]

Solution:

Principal =P= $ 7,500

Option A→(Simple interest)

Rate of interest= R=4%

Time( $T_{1}$ )=4 years

Time( $T_{2}$ )=6 years

Amount= Principal + Interest(Simple or compound interest)

Formula for Simple interest

$S.I=\frac{P\times R\times T}{100}$

$S.I_{1}=\frac{7500 *4*4}{100}=1200\\\\ S.I_{2}=\frac{7500 *4*6}{100}=1800$

Total amount after 4 years when interest is simple= 7500 +1200= $ 8700

Total amount after 6 years when interest is simple= 7500 +1800= $ 9300

Option B

Formula for amount(A) when interest is 3.15% compounded annually.

$A=P*(1+\frac{R}{100})^t$

$A_{4}=7500*(1+\frac{3.15}{100})^4\\\\ A_{4}=7500*(\frac{103.15}{100})^4\\\\ A_{4}=7500*(1.0315)^4\\\\ A_{4}=7500*1.1320\\\\ A_{4}=8490.60$

$A_{6}=7500*(1+\frac{3.15}{100})^6\\\\ A_{6}=7500*(\frac{103.15}{100})^6\\\\ A_{6}=7500*(1.0315)^6\\\\ A_{6}=7500*1.2045\\\\ A_{6}=9033.9286$

Total amount after 4 years when interest is compounded annually=$ 8491 (approx)

Total amount after 6 years when interest is compounded annually=$ 9034(approx)

4 0

3 years ago

Read 2 more answers

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Pepsi [2]

Answer:

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Step-by-step explanation:

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4 years ago

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Answer:

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makkiz [27]

Answer:

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