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Afina-wow [57]
3 years ago
13

On Saturday a roadside vegetable stand sold 5 pumpkins and 20 watermelons and made $135.

Mathematics
1 answer:
ki77a [65]3 years ago
6 0

Answer:

Pumkins $7 and Watermelons $5

Step-by-step explanation:

let pumkins be P and watermelons be W s0

5P+20W=135 and 10P+16W=150

express first equation in terms of P

5P+20W=135

5P=135-20W (divide equation by 5)

P=27-4W

now express the second equation using the new P value

10P+16W=150

10(27-4W)+16W=150

270-40W+16W=150

120=24W

W=5

now plug in w value and solve for p

5P+20(5)=135

P=7

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tigry1 [53]

Answer:

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Step-by-step explanation:

This can be determined using the formula for calculating the future value (FV) formula as follows:

FV = PV * (1 + r)^n ................................. (1)

Where;

FV = Future value or the amount the graduate will have at end of 36 months = ?

PV = Present value or the total amount invested = Cash gifts from friends and relatives + Amount of 3 scholarships he received = $900 + $250 + $300 + $1,400 = $2,850

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n = number of days = 36 months * 360 days = 12,960

Substituting the values into equation (1), we have:

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3 years ago
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Answer:

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Step-by-step explanation:

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