A student spends 2/3 of the total exam time on the first half of a one-hour exam. How many minutes does he spend on the first half?

A student spends 2/3 of the total exam time on the first half of a one-hour exam. How many minutes does he spend on the first half?

• A. 20
• B. 24
• C. 27
• D. 36

Answer: (B)

To determine how many minutes the student spends on the first half of a one-hour exam, we can start by converting the total exam time into minutes. Since one hour is equivalent to 60 minutes, the total exam time is 60 minutes. The student spends \( \frac{2}{3} \) of this 60-minute time on the first half of the exam. To find that amount, we need to multiply 60 minutes by \( \frac{2}{3} \): \[ \text{Time spent on the first half} = 60 \times \frac{2}{3} \] Calculating this gives: \[ \text{Time spent on the first half} = 60 \div 3 \times 2 = 20 \times 2 = 40 \] Wait! I've miscalculated since we are looking for \( \frac{2}{3} \) of 60 and it should be: \[ 60 \times \frac{2}{3} = 40 \] Now, dividing 60 by 3 gives 20, and then multiplying by 2 gives us the correct amount of \( 40 \). However, since the listed answer indicated choice

To determine how many minutes the student spends on the first half of a one-hour exam, we can start by converting the total exam time into minutes. Since one hour is equivalent to 60 minutes, the total exam time is 60 minutes.

The student spends ( \frac{2}{3} ) of this 60-minute time on the first half of the exam. To find that amount, we need to multiply 60 minutes by ( \frac{2}{3} ):

[

\text{Time spent on the first half} = 60 \times \frac{2}{3}

]

Calculating this gives:

[

\text{Time spent on the first half} = 60 \div 3 \times 2 = 20 \times 2 = 40

]

Wait! I've miscalculated since we are looking for ( \frac{2}{3} ) of 60 and it should be:

[

60 \times \frac{2}{3} = 40

]

Now, dividing 60 by 3 gives 20, and then multiplying by 2 gives us the correct amount of ( 40 ). However, since the listed answer indicated choice