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Marat540 [252]
3 years ago
12

Kacie swam for 12 hours this week at YMCA pool. 25% of her pool time was spent on tree swim. The rest was in swimming classes. H

ow many hours did Kacie spend in swimming classes?
Mathematics
1 answer:
bezimeni [28]3 years ago
8 0

Answer:

9 hours

Step-by-step explanation:

25% of 12 is 1/4 of 12.

12/4 is 3.

25% of 12 is 3.

12-3=9

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Jalil and Victoria are each asked to solve the equation ax – c = bx + d for x. Jalil says it is not possible to isolate x becaus
Iteru [2.4K]
<span>solve the equation ax – c = bx + d for x:

1) Group the x terms together on the left:     ax - bx - c = d

2) Group the constant terms together:          ax - bx = c + d

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4) Divide both sides of the equation by (a - b) to obtain a formula for x:
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</span>           x(a - b) = c + d   =>    x = ---------
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This shows that the given equation CAN be solved for x, but there is a restriction:  a must NOT equal b, because if a-b = 0, we'd have division by zero (which is not defined).

Where is Victoria's solution?  Please share it if you want to discuss this problem further.  Thank you.

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3 years ago
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