$(0.6 \div 0.3)-0.5-0.2+0.3=$
A. 2.4
B. 2.0
C. 1.6
D. 3.0
E. None of these
Answer (2)
First, perform the division: 0.6 ÷ 0.3 = 2 .
Next, substitute the result into the expression: 2 − 0.5 − 0.2 + 0.3 .
Perform the subtractions and addition from left to right: 2 − 0.5 = 1.5 , 1.5 − 0.2 = 1.3 , 1.3 + 0.3 = 1.6 .
The final result is 1.6 .
Explanation
Understanding the expression We are given the expression ( 0.6 ÷ 0.3 ) − 0.5 − 0.2 + 0.3 and asked to evaluate it. We will perform the division first, then the subtractions and additions from left to right.
Performing the division First, we evaluate the division: 0.6 ÷ 0.3 = 2 .
Substituting the result Now we substitute the result back into the expression: 2 − 0.5 − 0.2 + 0.3 .
First subtraction Next, we perform the subtraction: 2 − 0.5 = 1.5 .
Second subtraction Then, we perform the next subtraction: 1.5 − 0.2 = 1.3 .
Addition Finally, we perform the addition: 1.3 + 0.3 = 1.6 .
Final result The result of the expression is 1.6 . Comparing this to the given options, we see that option C is the correct answer.
Examples
Imagine you are calculating your expenses for the day. You started with $0.6, spent $0.3 on a coffee, then had expenses of $0.5 and $0.2, and finally received 0.3. T hi s p ro b l e m s h o w s h o wt oc a l c u l a t eyo u rre mainin g ba l an ce : (0.6 \div 0.3)-0.5-0.2+0.3 = 1.6$. This type of calculation is fundamental in managing personal finances and understanding how different transactions affect your overall balance.
The value of the expression ( 0.6 ÷ 0.3 ) − 0.5 − 0.2 + 0.3 is 1.6. Thus, the correct choice is option C. This result is obtained by performing the division first, followed by the subtractions and addition in sequence.
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