Question

Carrington used Three-fourths of the One-half of an hour allotted for an exam to do the first 3 problems. How much time does he have left for the remaining part of the exam? One-eighth of an hour StartFraction 3 Over 8 EndFraction of an hour Two-thirds of an hour Three-halves of an hour

Answer 1

Answer:

one eight of an hour

Step-by-step explanation:

Given that Carrington used 3/4 of the 1/2 of an hour allotted for an exam to do the first 3 problems.

We are to calculate the time that he has left for the remaining part of the exam.

We have

Total time used i the first three problems is given by

\frac{3}{4}43 ×\frac{1}{2}21 = \frac{3}{8}83

Therefore, the time left to complete the remaining part of the exam will be

Tr= \frac{1}{2}21 - \frac{3}{8}83 = \frac{4-3}{8}84−3 =\frac{1}{8}81 hour

Answer 2

Step-by-step explanation:

time left for the remaining pay of the exam

= 1/2 - 3/4 × 1/2 = 1/8 of an hour.