An amusement park sells child and adult tickets at a ratio of 8: 1. on saturday they sold 147 more child tickets than adult tickets. how many tickets did the amusement park sell on saturday?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.