Hello I would like to know how did you get 143 3/8

45 7/8 + 42 3/8 + 54 1/8

my answer comes out to 142 3/8

750 yard in 25minutes

Ellen has a bag with 3 red marbles and 2 blue marbles in it. she is going to randomly draw a marble from the bag 300 times, putting the marble back in the bag after each draw.

Can you show me how to solve 33=-2a+7

Jeff brought cookies to school for his birthday. He divided them equally among his 24 classmates. If every classmate got 3 cookies, how many did he bring to school?

How do you do distributive property

Explain how two amounts of change can be the same but the percentage of change can be different

Use cross products to demonstrate whether the two ratios are equivalent in this problem: 4 over 6 times 14 over 21

If a town with a population of 500 doubles in size every 80 years, what will the population be 320 years from now?

Numero multiplivado me de 28

2y to the - 2 power times y to the 3 power