Answer:
x = 10 1/8 | y = 40 1/2. | z= 30 3/8
Step-by-step explanation:
x + y + z = 81
4x = y
3x = z
x + 4x + 3x = 81
8× = 81
÷8. ÷8
x = 10 1/8
4x = y
(10 1/8) (4) = y
40 1/2 = y
3x = z
(3) (10 1/8) = z
30 3/8 = z
Answer:
i got 6.70820393
Step-by-step explanation:
Answer:
0.12
12%
Step-by-step explanation:
SO to find the ones he did incorrectly, you would subtract 50 and 44. This is 6. He got 6 questions wrong. Now divide 6 and 50. This is 0.12.
So decimal: 0.12.
Percent 12%