Monday

March 30, 2015

March 30, 2015

Posted by **Izabel** on Monday, January 24, 2011 at 3:50pm.

- Pre Algebra -
**helper**, Monday, January 24, 2011 at 4:27pmlength = L

width = w

Ratio = L:w = 10:7 = L:70

10:7 = L:70

10/7 = L/70

cross multiply

700 = 7L

L = 100

L = 100, w = 70

P = 2w + 2L

P = ?

- Pre Algebra -
**Reiny**, Monday, January 24, 2011 at 4:30pmlet the length be 10x

let the width be 7x , ( notice the ratio 10x : 7x = 10:7 )

given : 7x = 70

x = 10

Perimeter = 2(10x+7x) = 34x = 340

check:

length =100

width =70

perilmeter = 100+100+70+70 = 340

**Answer this Question**

**Related Questions**

math - The ratio of the length of a rectangular field to its width is 10:7. If ...

math - The ratio of the length of a rectangular field to its width is 10:7. If ...

math - the length of a rectangular playing field is 5ft less than twice its ...

algebra - the perimeter of a rectangular field is 172 meters. double the width ...

algebra - The length of a rectangular field is 50 meters more than twice its ...

algebra - The length of a rectangular field is 7 meters more than twice its ...

math - The length of a rectangular playing field is 5ft. less than twice its ...

Math - A rectangular field has a perimeter of 442m. If the length and the width ...

Math - A rectangular field has a length that us 2 meters less than 3 times the ...

math - The perimeter of a rectangular field is 560m.The length of the field is ...