On a 10 by 4 grid, there would be 40 squares. If you were to shade 12 of those squares, it can be shown as the fraction:
12/40 = 0.3
to get a percentage, we would have to multiply by 100
30% is to be shaded
The answer is B, (-10,-2) , (6,6)
Answer:
143 because if you subtract 49 and 28 you get 21 the you divide 21 and 1623
David's score on his fifth test would be an 87. If you add up all the scores from his first to his fourth test, it would 363. However, since there are five tests, in order to get a 90 percent, the sum of all five test scores would be 450. 450 - 363 = 87.
