Homework help (percents % )?

Coleman Petropoulos: First uncover out how a lot the volume received elevated through. The million does not relatively subject for this question seeing that all numbers will also be divided through 1 with out replacing the percentage. one million.38-one million.238=.142 Then you will have the query, what percentage of the long-established quantity, one million.238, is .142 It turns into essential right here to be competent to translate English phrases into math symbols. The phrase what turns into an x, percentage turns into /one hundred, of turns into *, is turns into =, and numbers simply stay numbers. These matters are constantly (a minimum of so far as I'm mindful) actual, so your trouble interprets to: (x/one hundred)*one million.238=.142 Solve this out so that you get: x=(.142/one million.238)*one hundred and remedy for x: x=eleven.47011309% after which circular to nevertheless many decimals your instructor prefers....Show more

Edmund Rappley: 1. What is 40% of! 580. (In math "is" means equal and "of " means multiply) x = .40 x 580 ( turn your percent into a decimal and move it two spaces to the left. This is how you convert percents to decimals.) x = 232 40% of 580 is 232.2. 70% of 799 = .70 x 799 = 559.3. 799 - 559.30 = 239.7 With a 70% discount off a product that costs $799, your discount is $559.30, and your new total after discount is $239.70. 70% of 549 = .70 x 549 = 384.3, 549 - 384.30 = 164.70 With a 70% discount off a product that costs $549, your discount is $384.30, and your new total after discount is $164.70....Show more

Riley Migl: is/of = x/1001. your x is "is" in this one x/580 = 40/100cross multiply!100x = 23200divide both sides by 100******x = 232*******2. Start by doing each individual problemx/799 = 70/100100x = 55930x= 559.3799-559.3= $239.70 (the first item final price)second partx/549 = 70/100100x = 38430x = 384.3549-384.3 = $164.70 (answer to second item)$239.70 + $164.70 = $404.40***! **************************** final answer Hope this helps!...S! how more

Renay Billiar: X=(100Y)/Z or 100Y=XZ Y is the score, Z is the total and X is the percentage.So if you scored 46 out of 50 that would be 4600/50=92% see?And so if you scored 40% of 580 then ZX=580*40=23200=100Y so Y is 232...So for number two that's 70=X and as the percentage is the same, you and add the prices up first, making Z=549+799 and Y then equals 70% of purchase...:)...Show more