Wally purchased a bag of marbles on monday. on tuesday he gave half of the marbles to his brother, james. on wednesday he gave ten marbles to his sister. on thursday he gave twenty marbles to his other sister. wally had fifty marbles left. how many marbles did wally purchase on monday?

80 marbles

Step-by-step explanation:

so he 50

50+20+10+50=80

so its 80 marbles

The correct answer is 160

Step-by-step explanation:

50 + 20 + 10 x 2 = 160

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

can you put the picture up?

step-by-step explanation: