1)
3 * 85 = 255
81 + 83 = 164
255 - 164 = ?
1) in a possible class, Rosa will take a total of 4 tests. She has already taken 2 of the tests and received scores of 81 and 83. What is the least possible score Rosa can obtain on the third test to still obtain an average score of 85 on all 4 tests? (Assume Test scores can range from 0-100)
2) A chemical solution is evaporating at a rate of .5 fluid ounce per minute. At this rate, approximately how many LITERS or solution will be evaporated after 2 hours? (Use the approximation 1 fluid oz= 30 mL)
1 answer
1 answer