Mathematics OpenStudy (anonymous):

Solve A=p+prt for r. OpenStudy (bahrom7893):

subtract p from both sides: A - p = p + prt - p A - p = prt divide both sides by pt (A-p)/pt = prt/pt (A-p)/pt = r r = (A-p)/pt OpenStudy (anonymous):

Am i to plug in my own numbers? OpenStudy (bahrom7893):

what numbers? OpenStudy (anonymous):

That questions shows my complete confusion. LOL! So r=(A-p)/pt is the answer? But what I don't understand is what the actual letters represent? OpenStudy (bahrom7893):

the letters are just there, you treat them as u would treat numbers.. I could say what is r, when A = 4, p = 3 and t = 1, that's it.. and you would plug in then: r = (4-3) / (3*1) OpenStudy (anonymous):

ok. have another one. Set up the problem. Juliet Carl read the label on the bottle of an over-the-counter medication she is taking and found that the medication contains 9mg of active ingredients for every 1mg of inert ingredients. How much of each kind of ingredients would be contained in a single 250-mg caplet? OpenStudy (bahrom7893):

9 active ingredients - 1mg x active ingredients - 250mg x = 250 * 9 / 1 = 250 * 9 = 2250 OpenStudy (anonymous):

if 4 is added to twice a number and this sum is multiplied by 2, the result is the same as if the number is multiplied by 3 and 4 is added to the product. what is the number. Can you set it up for me, than solve? I need to see the set up. OpenStudy (anonymous):

if 4 is added to twice a number and this sum is multiplied by 2, the result is the same as if the number is multiplied by 3 and 4 is added to the product. what is the number. Can you set it up for me, than solve? I need to see the set up. OpenStudy (bahrom7893):

(4 + 2x ) * 2 = (4 + 2x ) * 3 + 4 OpenStudy (bahrom7893):

solve for x OpenStudy (anonymous):

is it 12? OpenStudy (bahrom7893):

8 + 4x = 12 + 6x + 4 4x - 6x = 12 + 4 - 8 -2x = 8 x = -4 OpenStudy (anonymous):

The perimeter of the rectangle is 48 inches the length is 4 inches more than three times the width. Find the length and the width of the rectangle? OpenStudy (anonymous):

The perimeter of the rectangle is 48 inches the length is 4 inches more than three times the width. Find the length and the width of the rectangle?

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