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Natali [406]
3 years ago
14

the amount of money in an account with continuously compounded interest. calculated to the nearest tenth of a year how long it t

akes for an amount of money to double if interest is compounded continuously at 5.2%
Mathematics
1 answer:
pentagon [3]3 years ago
6 0
You will need this formula:
Years = ln (Total / Principal) / rate
(where "ln" means natural logarithm)
and we'll use $100 and $200 for beginning and ending amount
Years = ln (200 / 100) / rate
Years = 0.69314718056 / .052
Years = <span> <span> <span> 13.3297534723 </span> </span> </span>
Rounding to the nearest tenth of a year:
Years = <span> <span> <span> 13.3

Source:
http://www.1728.org/rate2.htm

</span></span></span>

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VashaNatasha [74]

The question is incomplete. Here is the complete question.

The football team needed to buy Gatorade for Saturday's big game. They have two options. The first option is they can buy it pre-made in 48 ounces bottles for $3.84 for each bottle. Or they can buy packets and mix with water. Each packet makes 64 ounces and will cost $4.80.

a) Find the cost per ounce of each.

b) Which size costs less?

c) The team will need to buy 192 ounces of Gatorade. How much do you save using the choice from answer b?

Answer: a) Pre-made: $0.08 cost per ounce; Packet: $0.075 cost per ounce

              b) Packets

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Step-by-step explanation:

a) Cost per ounce:

<u>Pre-made:</u>

\frac{3.84}{48} = 0.08

<u>Packet:</u>

<u />\frac{4.8}{64} = 0.075

b) Comparing costs per ounce, packets costs less than pre-made.

c) Buying packets, the cost will be:

0.075*192 = $14.4

Buying pre-made:

0.08*192 = $15.36

Comparing costs, pre-made is 0.96 more than packets, so <u>they will save </u><u>96 cents</u>.

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first find the vlumes of the different pyramids:

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8_murik_8 [283]

the gcf would be 9 because you can divide both by 9

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