Omar will donate up to $500 to charity. the money will be divided between two charities: the city of youth fund and educational growth foundation. omar would like the amount donated to the educational growth foundation to be at least four times the amount donated to the city youth fund. let x denote the amount of money ( in dollars ) donated to the city youth fund. let y denote the amount of money ( in dollars ) donated to the educational growth foundation. shade the region corresponding to all values of x and y that satisfy the requirements.

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

2x minus y equals 6, x plus y equals negative 3