Solve Ax + By = C for x. x equals the quantity negative B times y plus C all over A
x equals the quantity B times y plus C all over A
x equals the quantity B times y minus C all over A
x equals the quantity negative B times y minus C all over A

answer: 4/6 =5/7.5

step-by-step explanation: it is based on scale and the scale between the two is 1.25. the answer is correct but i dont know if i explained it right

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

if she was to only spend a dollar she can get 1lb

step-by-step explanation: