Question

Can someone check my answers i really wanna make a great grade!

1. What is 31/4 written as a decimal?
A. 6.75
B. 7.50
C. 7.75
D. 8.25

2. 11/12 + 2/3 =
A. 13/15
B. 13/12
C. 19/12
D.22/36

3. 10 5/18 - 8 5/6
A. 2 5/9
B. 2 13/18
C. 1 4/9
D. 1 11/18

4. 1/4 x -1 1/7 =
A. - 2/7
B. - 1/28
C. -1 2/11
D. -1 1/28

5. 7/8 / 11/12 =
A. 77/96
B. 9/10
C. 21/22
D. 1

Answer 1

if it was me, i would use a calculator

Answer 2

http://www.wolframalpha.com/input/?i=31%2F4

Answer 3

My answers:
1. C
2. A
3. C
4. C
5. A

Answer 4

1.c
2.c
3.c
4.a
5.c

Answer 5

http://www.wolframalpha.com/input/?i=+11%2F12+%2B+2%2F3

Answer 6

is the last one 7/8 divided by 11/12 or 7 divided by 8 divided by 11 divided by 12? because the answers are diff

Answer 7

its 7/8 divided by 11/12

Answer 8

then the answer is c

Answer 9

Ok! Thx!

Answer 10

anytime