Tracy is taking advantage of a 25% off sale to buy a new coat. If the coat's sale price is $135, what was the original cost?

Step-by-step explaination

First you want to make a percent porportion so that you can find the unknown value. 135 = 25% Solve it and you'll get your answer.

                           ?     = 100%

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3