Question

How to construct linear model?

Can someone please help me with question 10? Thank you sooo much!

Answer 1

`"see explanation"`

Explanation:

`color(white)(x)$775to120rArrk=775/120=6.458....`

`color(white)(x)$975to160rArrk=975/160=6.093....`

`"consider the difference"`

`975-775=$200" and "160-120=40`

`rArrk=200/40=5`

`rArrC=5n`

`C=5xx120=600" and "`

`C=5xx160=800`

`"now "775-600=$175" and "975-800=$175`

`"sum already in counter "=$175`