Given:
unit rate: 20km/h
Speed = distance / time
20kmh = 30km / time
time = 20kmh / 30km
time = 2/3 hrs or 40 minutes
2/3 hrs * 60mins/hr = (2*60)/3 = 120/3 = 40 minutes
You have a fraction of 3/2. 3/2=1.5
Therefore, she needs 1.5 gallons of blue paint per 1 gallon of yellow paint.
Answer:
Step-by-step explanation:
Given that a friend flips a coin 10 times and observes head 7 times. So he concludes Probability of head =0.1
This is wrong because
i) Just making 10 trials and coming to conclusion is wrong. Trials should be large to get accurate estimate
ii) The way he threw the coin may be biased so differrent persons should flip and get results for larger trials
iii) External influences such as air, any other disturbance is not considered here.
To avoid all these sampling fluctuations number of trials should be increased with different situations and times.
Answer:
6m^4 / n
Step-by-step explanation:
-12m^12 / 2m^8 n
= 6m^4 / n
Jorge's printer can print 72 pages in 3/4 hours and 96 pages in 1 hour.
Step-by-step explanation:
Given,
Pages printed in 15 minutes = 24 pages
15 minutes = 
Therefore;
Multiplying both sides by 4
In 3/4 hours
Jorge's printer can print 72 pages in 3/4 hours and 96 pages in 1 hour.
Keywords: fraction, multiplication
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