Answer: 39.2 minutes
Step-by-step explanation:
Angela used 56minutes. Brain used 70% of Angela's time which will be 70% of 56.
70/100 × 56 = 39.2 minutes.
Therefore, Brian used 39.2 minutes for the test.
Answer:
X=84/21
X/14=6/21
X=(6/21)(14/1)
Answer: 25%
hope this helps :)