Designers should be always creative and sometime work forwar

Designers should be always creative and sometime work forward and other times work backward. Lets try this problem. You are asked to measure exactly 7 ounces of water from a large tank using only a 5-ounce container and an 8-ounce container. How can you get exact amount of 7-oz water? Write steps. Hint: 1. The amount of water in the large tank is so large and you cannot measure; therefore you cannot use the large tank as a temporary container. 2. We have only one 8-oz-container and only one 5-oz container, which you can damp water as many as possible.

Solution

Use 5 oz container to take exactly 5oz. Pour it in the bigger 8 oz container.

Repeat the same process again but now you will have 2 oz left out in the 5 oz container as 8 oz already had 5 now with 3 it became full. Hence the balance of 2 oz are left in the 5 oz container.

Pour this 2 oz in a fresh jar. Again take out 5 oz using the 5oz container and pour in the jar taken for pouring 2 oz.

Together 2 and 5 make 7 oz.