To do this question you can use proportions.
3/60 is simplified to 1/20.
This shows that if you study 1 hour you get a 20. So to find the answer you multiply each side by 4.5, this means that if you study 4.5 hours you get a 90.
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Answer:
A∩B = {2, 23}
Step-by-step explanation:
The intersection of two sets is the list of elements common to both.
2 is found in both
12, 19 are only in set A
23 is found in both
29 is only in set A
34, 40, 45 are only in set B
The intersection of the two sets is {2, 23}.
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Answer:
6
Step-by-step explanation:
60% of 50 is 30 and 20% of 30 is 6
Answer:
328.5 cm
Step-by-step explanation:
Volume= L x W x H
10 x 4.5 x 7.3= 328.5
:))
