Megan has 23 marbles, and Jack has 22. About how many marbles do they have altogether.

a. about 30 marbles

b. about 70 marbles

c. about 40 marbles

d. about 60 marbles

Hi! this is how you solve this problem:

first you round 23 to the nearest ten=20

then you round 22 to the nearest ten=20

finally you add 20+20 which will result to 40!

you answer to this question is 40!

have a nice day!

The answer isAbout 40 marbles