Answer:
x = 2
Step-by-step explanation:
The parallel lines divide the transversals into proportional segments, that is
=
( cross- multiply )
9(x + 4) = 54 ( divide both sides by 9 )
x + 4 = 6 ( subtract 4 from both sides )
x = 2
During a sale, a shop allows 20% disount on all purchases. What will a costumer pay for a dress normally priced at $30
1 answer:
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Answer:
Step-by-step explanation:
{700 = <em>S</em> + <em>A</em>
{4500 = 5<em>S</em> + 10<em>A</em>
−⅒[4500 = 5<em>S</em> + 10<em>A</em>]
{700 = <em>S</em> + <em>A</em>
{−450 = −½<em>S</em> - <em>A</em> >> New Equation
_____________
[Plug this back into both equations above to get the A-value of 200];