Determine the equivalent system for the given system of equations.

4x-5y = 2
3x -y =8

A. 4x-5y=2
10x-7y=18

B. 4x-5y=2
3x-8y=4

C. 4x-5y=2
10x+3y=15

D. 4x-5y=2
7x+6y=10

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Jenny made a scale drawing of a city. the scale she used was 5 inches = 1 yard. what is the scale factor of the drawing?

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.