Plz help im stuck on this

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation