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If $ represents addition and * represents subtraction, what is the value of the following expression?
15 * 5 $ 15 $ 10 $ 30 * 25 * 35 * 25 $ 20 * 25 * 20
15 * 5 $ 15 $ 10 $ 30 * 25 * 35 * 25 $ 20 * 25 * 20
- A30
- B–45
- C10
- D–25
Answer not set
Discussion 1
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CCommunity
Given Symbol
*
$
Actual Meaning
–
+
15 * 5 $ 15 $ 10 $ 30 * 25 * 35 * 25 $ 20 * 25 * 20
Applying operators:15 – 5 + 15 + 10 + 30 – 25 – 35 – 25 + 20 – 25 – 20 = 90 – 135
= –45.
*
$
Actual Meaning
–
+
15 * 5 $ 15 $ 10 $ 30 * 25 * 35 * 25 $ 20 * 25 * 20
Applying operators:15 – 5 + 15 + 10 + 30 – 25 – 35 – 25 + 20 – 25 – 20 = 90 – 135
= –45.