Answer:
32/21
Step-by-step explanation:
multiply (2/3) by (7/7) and (6/7) by (3/3). (14/21) + (18/21) is (32/21)
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Answer: 8 books/ hour
Explanation:
240 / 30 = 8 books/ hour
I hope this helped!
<!> Brainliest is appreciated! <!>
- Zack Slocum
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Answer:
5040 different combinations
Step-by-step explanation:
0-9 = 10 numbers
1st digit can be 1 0f 10
2nd digit can be 1 of 9
3rd digit can be 1 of 8
4th digit can be 1 of 7
10×9×8×7=5040
