A dress has a thirty percent discount applied and is on sale for 63 pound. What was the original price of the dress before the r
1 answer:
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Answer:
x = 10
Step-by-step explanation:
In the last step, you can see that the fraction has been multiplied by its reciprocal
, making it cancel out. The reciprocal has been multiplied to both sides, so all you need to do is multiply
·
:
6 · 5 = 30
3 · 1 = 3
<u><em>So now you should have the fraction:</em></u>
x =
<u><em>But, you can still simplify the fraction by dividing 30 by 3:</em></u>
x = 10
Answer:
Step-by-step explanation:
Remove perfect squares from under the radicals.
_____
The applicable rules of exponents are ...
(x^a)(x^b) = x^(a+b)
√(a^2) = a . . . . . . . for a > 0
(√a)(√b) = √(ab)