The area of a rectangular invitation card is 3/10 square foot. DO THESE STEPS
If the length of the card is 4/5 foot, find the width.

If the length were a bit longer but the area stayed the same, what would happen to the width? Explain.

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

If a is a nonzero real number then the reciprocal of a is