100 points who ever get this right!!

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels