Red bricks and grey bricks were used to build a decorative wall. The number of red bricks divided by number of grey bricks was 5 /2. There were 224 bricks used in all. How many red bricks were used?
1 answer:
Red bricks : Grey bricks 5 : 2 Total parts = 5 + 2 = 7 7 parts = 224 ----------------------- Find 1 part: ----------------------- 1 part = 234 ÷ 7 1 part = 32 ----------------------- Find 5 parts: ----------------------- 5 parts = 32 x 5 5 parts = 160 ---------------------------------------------- Answer: 160 Red bricks ----------------------------------------------
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Hope it helps
Since they are the same, any change made to 1 will be the same in the other, resulting in infinite solutions.