7/10 + (-17/20)
Make the denominators equal:
14/20 + (-17/20)
Add:
-3/20
Answer: what??
Step-by-step explanation:
Let's draw the diagonals of the square. The square is being divided by 4 right triangles. & these right triangles are also isosceles (the diagonals of a square intercepts each other in the middle).
The area of each right triangle = (6 x 6) / 2 = 18 yard² & the 4 right triangles => 4x 18 = 72 yd²
11 of the 329.99 lawn mowers and 19 of the 249.99 lawn mowers
