1. In a certain system of gears, the ratio of the number of teeth on the first gear to the
number of teeth on the second gear is 7:3. If the first gear has 259 teeth, how many
teeth does the second gear have?

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.