A building contractor buys 7070% of his cement from supplier A and 3030% from supplier B. A total of 9595% of the bags from A arrive undamaged, while 7070% of the bags from B arrive undamaged. Find the probability that anan undamagedundamaged bag is from supplier Upper AA.

Title:

Step-by-step explanation:

Let the building contractor bought 1000 cement in total.

70% of 1000 = 700 cements were from A and (1000 - 700) = 300 cements were from B.

The number of undamaged bag from A was 95% of 700 = and the number of undamaged bags from B was 70% of 300 = .

Total undamaged bags were (665 + 210) = 870.

The probability that an undamaged bag is from A is .

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3