jesscia1
jesscia1
15-10-2017
Mathematics
contestada
Help letter W please
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quynhttrucng
quynhttrucng
15-10-2017
The perimeter of the park is 7/10 * 4 = 28/10 miles
Martha walked 28/10 * (3+1/2) = 49/5 = 9.8 miles
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Nadeshiko
Nadeshiko
15-10-2017
Organize the information given.
*The park is square; each side is 7/10 of a mile. So, the perimeter of the park is: (7/10)(4) → (7/5)(2) → 14/5
*She walked around the park 3 1/2 times. So, she walked 14/5 miles by 3 1/2 times.
Just multiply the fractions together to get the product.
= 14/5 × 3 1/2
= 14/5 × 7/2
Reduce the number by 2.
= 7/5 × 7/1
Multiply regularly.
= 49/5
Change into a mixed fraction.
= 9 4/5 is the solution.
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