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stira [4]
3 years ago
5

Solve T=C(3 + AB) for A.

Mathematics
1 answer:
Lelechka [254]3 years ago
6 0

T = C(3+AB)

T/C=3+AB

T/C - 3 = AB

A = (T/C - 3) / B

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Step-by-step explanation:

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Tell me please !!!!!!
UkoKoshka [18]

Answer:

(1)

Donna = Pounds 180

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(2)

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Nelly = Pounds 175

Step-by-step explanation:

(1)

Donna = x

Kyra = x + 60

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2/3 x

Kyra now has twice as much money as Donna can be represented as;

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(2)

Kelly = x

Ned = y

Kelly spends 40% of her money. Therefore he is left with 60%;

60/100 x

Nelly spends Euros 40 of his money. Therefore he is left with;

y- 40

If they now have the same amount of money;

60/100 x = y – 40

3/5 x = y – 40

3x = 5y – 200

3x – 5y = -200

Remember Kelly & Ned has Euros 400 in total;

x + y = 400

Now we can solve the simultaneous equation by substitution;

x + y= 400

3x – 5y = -200

3x + 3y = 1200

-

3x – 5y = - 200

=

8y = 1400

Y = 175

X = 225

Kelly = 225

Nelly = 175

Learn More:

brainly.com/question/2273184

brainly.com/question/11876335

#LearnWithBrainly

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4 years ago
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Answer:

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