Find detailed and accurate answers to your questions on IDNLearn.com. Find the information you need quickly and easily with our reliable and thorough Q&A platform.
Fifty pounds of a cement-and-sand mixture is 40% sand.
How many pounds of sand must be added for the resulting mixture to be 60% sand?
To get the answer you would have to multiply fifty by .4 to get 20. now you know that 20 is 2/5 of the bad and 1/5 must be 10. So you would multiply 10 by 3 to get to 3/5 so you can have 60%. The final answer is 30
Your participation is crucial to us. Keep sharing your knowledge and experiences. Let's create a learning environment that is both enjoyable and beneficial. Thank you for choosing IDNLearn.com for your queries. We’re here to provide accurate answers, so visit us again soon.