For questions 1-5 estimate the sum or difference.

1. 9/10 + 7/8
a) 1
b)2
c)0

2. 9/50 + 7/15
a)0
b) 1/2
c) 1

3. 2/8/9 - 2/1/7

a) 2
b) 1
c) 0

4. 8/12/31 + 4/5/6

a) 13
b) 12/1/2
c) 14

5. 15/2/15 - 15/1/20

a)2
b) 1
c) 0

here are all the answers for the whole test

1. c

2.c

3.b

4.b

5.c

6.b

7.b

8.b

9.b

10.c

hope it helps :)

Step-by-step explanation:

well we know there are 4 clubs in 52 cards so it’s replaced so it should be 3/51

step-by-step explanation: