200×40%= 80 pennies so 200-80=120 and 25% of 120 is 30 so 30 quarters. you can use the % sign when using a calculator or move the decimal over twice like this 200×.40=80 if a % sign is unavailable
Y=-1/2x+5 slope=-1/2 because it goes down one unit and to the right 2 units, and the y intercept is 5 because that's where the line intercepts the y-axis!
