There were 4342 buttons altogether in three bags, A, B and C. There were 18 more buttons in Bag B than in Bag A. There were 3 times as many buttons in Bag Cas in Bag B. How many buttons were there in Bag A?
Add an Answer
More Questions From This User See All
Answers & Comments
854 buttons
Step-by-step explanation:
B = A + 18
C = (3 x B) = 3 x (A + 18) = 3A + 54
Therefore:
A + (A+18) + (3A+54) = 4342
5A + 72 = 4342
5A = 4342 - 72
5A = 4270
A = 4270/5
A = 854
Checking:
A = 854
B = A + 18 = 872
C = 3 x B = 3 x 872 = 2616
A + B + C = 4342
854 + 872 + 2616 = 4342
4342 = 4342