Answer: 29
Step-by-step explanation: 180-146= 34-5 29.
When you divide 6.98 lbs. and 0.4 lbs, you will get the answer of 17.45
Answer:
<h2>x = 1, y = 1 → (1, 1)</h2>
Step-by-step explanation:
![\bold{ELIMINATION\ METHOD}\\\\\left\{\begin{array}{ccc}x+6y=7&\text{Multiply both sides by (-5)}\\5x+8y=13\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-5x-30y=-35\\5x+8y=13\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad-22y=-22\qquad\text{divide both sides by (-22)}\\.\qquad\boxed{y=1}\\\\\text{Put it to the first equation}\\\\x+6(1)=7\\x+6=7\qquad\text{subtract 6 from both sides}\\\boxed{x=1}](https://tex.z-dn.net/?f=%5Cbold%7BELIMINATION%5C%20METHOD%7D%5C%5C%5C%5C%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dx%2B6y%3D7%26%5Ctext%7BMultiply%20both%20sides%20by%20%28-5%29%7D%5C%5C5x%2B8y%3D13%5Cend%7Barray%7D%5Cright%5C%5C%5C%5C%5Cunderline%7B%2B%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7D-5x-30y%3D-35%5C%5C5x%2B8y%3D13%5Cend%7Barray%7D%5Cright%7D%5Cqquad%5Ctext%7Badd%20both%20sides%20of%20the%20equations%7D%5C%5C.%5Cqquad-22y%3D-22%5Cqquad%5Ctext%7Bdivide%20both%20sides%20by%20%28-22%29%7D%5C%5C.%5Cqquad%5Cboxed%7By%3D1%7D%5C%5C%5C%5C%5Ctext%7BPut%20it%20to%20the%20first%20equation%7D%5C%5C%5C%5Cx%2B6%281%29%3D7%5C%5Cx%2B6%3D7%5Cqquad%5Ctext%7Bsubtract%206%20from%20both%20sides%7D%5C%5C%5Cboxed%7Bx%3D1%7D)
![\bold{SUBSTITUTION\ METHOD}\\\\\left\{\begin{array}{ccc}x+6y=7&\text{subtract}\ 6y\ \text{from both sides}\\5x+8y=13\end{array}\right\\\\\left\{\begin{array}{ccc}x=7-6y&(1)\\5x+8y=13&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\5(7-6y)+8y=13\qquad\text{use the distributive property}\\(5)(7)+(5)(-6y)+8y=13\\35-30y+8y=13\qquad\text{subtract 35 from both sides}\\-30y+8y=13-35\qquad\text{combine like terms}\\-22y=-22\qquad\text{divide both sides by (-22)}\\\boxed{y=1}](https://tex.z-dn.net/?f=%5Cbold%7BSUBSTITUTION%5C%20METHOD%7D%5C%5C%5C%5C%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dx%2B6y%3D7%26%5Ctext%7Bsubtract%7D%5C%206y%5C%20%5Ctext%7Bfrom%20both%20sides%7D%5C%5C5x%2B8y%3D13%5Cend%7Barray%7D%5Cright%5C%5C%5C%5C%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dx%3D7-6y%26%281%29%5C%5C5x%2B8y%3D13%26%282%29%5Cend%7Barray%7D%5Cright%5C%5C%5C%5C%5Ctext%7BSubstitute%20%281%29%20to%20%282%29%3A%7D%5C%5C%5C%5C5%287-6y%29%2B8y%3D13%5Cqquad%5Ctext%7Buse%20the%20distributive%20property%7D%5C%5C%285%29%287%29%2B%285%29%28-6y%29%2B8y%3D13%5C%5C35-30y%2B8y%3D13%5Cqquad%5Ctext%7Bsubtract%2035%20from%20both%20sides%7D%5C%5C-30y%2B8y%3D13-35%5Cqquad%5Ctext%7Bcombine%20like%20terms%7D%5C%5C-22y%3D-22%5Cqquad%5Ctext%7Bdivide%20both%20sides%20by%20%28-22%29%7D%5C%5C%5Cboxed%7By%3D1%7D)
![\text{Put it to (1):}\\\\x=7-6(1)\\x=7-6\\\boxed{x=1}](https://tex.z-dn.net/?f=%5Ctext%7BPut%20it%20to%20%281%29%3A%7D%5C%5C%5C%5Cx%3D7-6%281%29%5C%5Cx%3D7-6%5C%5C%5Cboxed%7Bx%3D1%7D)
Answer:
2.4 miles in total
Step-by-step explanation:
"this answer needs to be atleast 20 characters long"