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?

Respuesta :

Answer:

The correct answer is 160

Step-by-step explanation:

50 + 20 + 10 x 2 = 160