1. What is the rule which helps to check proportionality? Pls answer fast, I will mark brainliest
2. When there is a profit, the CP is ________ than SP
3. 40% of 4/5 is _________
Please answer fast
2. When there is a profit, the CP is ________ than SP
3. 40% of 4/5 is _________
Please answer fast
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Answer:
When there is a profit, the CP is more than SP
Answer:
1.The rule of 3 is an operation that helps us quickly solve both direct and inverse proportion word problems. In order to use the rule of 3, we need three values: two that are proportional to one another and a third. From there, we will figure out the fourth value.
2. When there is a profit, the CP is less than SP
3.(4 x 40) / 5 = 160/5 = 32
Therefore, the answer to 4/5 of 40 in its lowest form is:
32