Answer:
1st Solution
2 1/5 = 2.2 sentences
2.2 x 3 = 6.6
2.2 x 1/2 = 1.1
6.6 + 1.1 = 7.7
Lota would type 7.7 sentences in 3 1/2 minutes.
2nd Solution
2 1/5 x 3 1/2 = 11/5 x 7/2 = 7.7
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Answers & Comments
Explanation:
Convert 2 1/5 and 3 1/2 to improper fractions
2 1/5 = 11/5. 3 1/2 = 7/2
Then multiply
11 x 7. 77
——— = ——
5 x 2. 10
Then change 77/10 to mixed number
7 7/10
Answer:
1st Solution
2 1/5 = 2.2 sentences
2.2 x 3 = 6.6
2.2 x 1/2 = 1.1
6.6 + 1.1 = 7.7
Lota would type 7.7 sentences in 3 1/2 minutes.
2nd Solution
2 1/5 x 3 1/2 = 11/5 x 7/2 = 7.7
Lota would type 7.7 sentences in 3 1/2 minutes.