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denis23 [38]
2 years ago
8

A businessman buys 1440 dozen pens at £2.50a dozen and sell them at price of 25 cent a piece.what is his total profit on the lot

of pens?
Mathematics
1 answer:
belka [17]2 years ago
5 0
The cost he purchased it at would be the 1,440 dozen pens * 2.50 equaling $3,600. 

The profit he is receiving is calculated by .25 * 12 since there are 12 pens per dozen. This number would be then multiplied by 1,440. So 3 * 1,440= 4,320. This is his profit.

You subtract his cost for purchasing the goods from his profit. This should give you $720 as his profit. 
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URGENT HELP ME PLEASE
Trava [24]

Answer:

(a)\log_3(\dfrac{81}{3})=3

(b)\log_5(\dfrac{625}{25})=2

(c)\log_2(\dfrac{64}{8})=3

(d)\log_4(\dfrac{64}{16})=1

(e)\log_6(36^4)=8

(f)\log(100^3)=6

Step-by-step explanation:

Let as consider the given equations are \log_3(\dfrac{81}{3})=?,\log_5(\dfrac{625}{25})=?,\log_2(\dfrac{64}{8})=?,\log_4(\dfrac{64}{16})=?,\log_6(36^4)=?,\log(100^3)=?.

(a)

\log_3(\dfrac{81}{3})=\log_3(27)

\log_3(\dfrac{81}{3})=\log_3(3^3)

\log_3(\dfrac{81}{3})=3        [\because \log_aa^x=x]

(b)

\log_5(\dfrac{625}{25})=\log_5(25)

\log_5(\dfrac{625}{25})=\log_5(5^2)

\log_5(\dfrac{625}{25})=2        [\because \log_aa^x=x]

(c)

\log_2(\dfrac{64}{8})=\log_2(8)

\log_2(\dfrac{64}{8})=\log_2(2^3)

\log_2(\dfrac{64}{8})=3        [\because \log_aa^x=x]

(d)

\log_4(\dfrac{64}{16})=\log_4(4)

\log_4(\dfrac{64}{16})=1        [\because \log_aa^x=x]

(e)

\log_6(36^4)=\log_6((6^2)^4)

\log_6(36^4)=\log_6(6^8)

\log_6(36^4)=8            [\because \log_aa^x=x]

(f)

\log(100^3)=\log((10^2)^3)

\log(100^3)=\log(10^6)

\log(100^3)=6            [\because \log10^x=x]

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The opposite inverse of -1/9 is
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Answer:

1/-9

Step-by-step explanation:

hope it helps... ✌️✌️✌️✌️

Byeeee..

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Samantha owes father $1.50
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Answer:

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