you would first have to multiply 20% by 3.24 and then youll get 0.648 then you subtract 3.24 by 0.648 and get 2.60. Then multiply 20% by 3.99 and get 0.798 then subtract 3.99 by 0.798 and get 3.19 then add 2.60 with 3.19 to get 5.79. 5.79 is how much she spent with 20% off
Answer:
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Step-by-step explanation:
Answer:
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5x/7 - 5 = 50 is 4. x = 77
Step-by-step explanation:
Let the required number be n

NOTE: A number is always 100% in itself.