translating statements into equations?
2. The total number of coins is 36 and there are twice as many 10cents coins as 25cents coins.
3. A part of Php8,900 is invested at 6% and the remainder at 4%. The annual income from 4% investment exceeds the income from the 6% investment by Php 74. Represent the amount of each investment.
5. The amount of water to be added to 200 liters of 85% pure denatured alcohol to dilute it into 65% alcohol content.
6. The average speed of an airplane which covered a distance of 900m in 6 minutes.
help please………….. or give examples…………..
Favorite Answer
2) .1(x) + .25(36 – 2x), x = # of 10c coins
3) .04x = 74 + .06(8900 – x), x = 4% investment; [8900 -x] = 6% investment
4) .65(200 + x) = .85 * 200, x = amt of water to be added
5) 900/.1 = m/hr = speed
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