Rodrigo added 2
9
and 4
9
using these steps.

1. Check for common denominators.

2
9
and 4
9

2. Write the sum.

2
9
+ 4
9

3. Add the numerators.

2 + 4
9
= 6
9

What is the sum in simplest terms?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck