Answer:
A. -13.11.
Explanation:
18.03 - 3(12.7 + 8.06) / 2
Work out the parentheses firt:
= 18.03 - 3* 20.76 / 2
Now the multiplication:
= 18.03 - 62.28/ 2
Now the division;
= 18.03 - 31.14
= -13.11.
A. -13.11
18.03-3(12.7 + 20.76 / 2
add the numbers
18.03 - 3 x 20.76 / 2
Use rules of multiplication and division to calculate the expression
-3 x 20.76 / 2
multiply the numbers
-62.28 / 2
divide the numbers
-31.14
18.03 - 31.14
calculate the difference
-13.11
Answer is -13.11
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