Mr. lee can paint 20 chairs in t hours. find, in terms of t, the time taken by mr. lee to paint 7 chairs.

We are given

Mr. Lee can paint 20 chairs in t hours

so,

now, we can find for 1 chair

so, we can divide both sides by 20

now, we can multiply both sides by 7

....................Answer

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day