A student achieved the following grades on his tests :87,95 ,76 and 88 percent . he wants 85 percent or better overall . what grade should he must get in his last test to achieve that average

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.