It depends. If its the ratio of Masha to Liz, it is 10:9. If it is Liz to Masha, its 9:10. If it is Masha to the total, it is 10:19. If it is Liz to the total, it is 9:19. Hope this helps!
BIDMAS or BODMAS
(brackets, indices/orders, division, multiplication, addition, subtraction)
8800 because the last two digits are above 50.
Answer:
it will take him 24 months to save the guitar
Step-by-step explanation: