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

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Find the area of the unshaded square