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Sagot :
Answer:
Dallas studied for 3.5 hours that week
Step-by-step explanation:
Answer:
Dallas studied 3 1/4 hours
Step-by-step explanation:
Find the least common multiple of 2 3 and 4
2: 2 4 6 8 10 12 14 16
3: 3 6 9 12 15 18 21 24
4: 4 8 12 16 20 24 28 32
The least common multiple of 2 3 and 4 is 12
so change the fractions into improper fractions
1 1/2 - 3/2
3/4- 3/4
1 2/3- 5/3
3/2 = 18/12
3/4 = 9/12
5/3 = 20/12
18+9+12 = 39
39/12 simplified is 13/4= 3 1/4
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