Perform the indicated operation

1. 2/3+3/8

2. 5/4+7/9

3. 10 3/7+ 19 5/9

4. 1 2/3+5 3/8

5. 6/11-4/11

6. 13/16-3/8

7. 9/32-1/16

8. 5 1/6-2 2/3

9. 2/3-5/8

10. 4/11•10/8

11. 5/17•3/8

12. 7 1/8•5 2/3

13. 1/3 / 3/8

14. 4/11 / 4/9

15. 8 1/2 / 2 1/4

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

John bought 2 horses at rs 20000 each

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?