To find 50 percent, you multiply the number by 0.5 (for 30%, 0.3 etc.).
42.88 * 0.5 = 21.44
Answer:
5 5/16
Step-by-step explanation:
you just divide 42 1/2 by 8
The two numbers that add to make twenty and have a difference of 4 are 12 and 8
N=64.
32+64=100
64/8=8
sqrt (64+225)= sqrt (289) = positive and negative 17
