[tex]1.) \frac{4}{10} \times 7 \times \frac{13}{10} = [/tex]
[tex]2.)5 \times \frac{12}{15} \times 7 \times \frac{2}{12} = [/tex]
[tex]3.)6 \times \frac{14}{10} \times \frac{8}{12} = [/tex]
[tex]4.)1 \times \frac{6}{15} + \times \frac{11}{15} = [/tex]
[tex]5.)7 \times \frac{3}{5} + 9 \times \frac{13}{22} = [/tex]
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Answer:
1. 91/25, in alternative form: 3 16/25, 3.64
2. 14/3, in alternative form: 4 2/3, 4.6
3. 28/5,in alternative fom: 5 3/5, 5.6
4. 17/15,in alternative form: 1 2/15, 1.13
5. 1047/110, in alternative form: 9 57/110, 9.518
Step-by-step explanation:
Number 1 Solution
4/10 × 7 × 13/10 = 2/5 × 7 × 13/ 10 = 1/5 × 7 × 13/5 = 91/25
Number 2 solution:
5 × 12/15 × 7 × 2/12 = 1/3 × 7× 2 = 14/3
Number 3 solution:
6× 14/ 10 × 8/12 = 7/5 × 8/2 = 7/5 × 4 = 28/5
Number 4 Solution:
1 × 6/15 + 11/5 = 6/15 + 11/15 = 17/15
Number 5 Solution:
7× 3/5 + 9 × 13/22 = 21/5 + 117/22 = 1047/110
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