All the answers, which are reduced to lowest terms, and the steps are in the images below (they’re in order based on the questions). I only answered questions <em>a</em> through <em>e </em>(not f), because it would only allow me to attach five photos. The answer for question <em>c</em> is in mixed numbers form because image said , so as an improper fraction it’s .
Hope this helps my friend! :)
Letter B would be the answer.
2L + 2(1/2L) = 90
2L + L = 90
3L = 90
L = 30
(1/2)(30) = 15
W = 15
CHECK:
30 + 30 + 15 + 15 = 90
That would be 8 1/6 * 4/7 = 49/6 * 4/7 = 7*4 / 6 = 28/6 = 4 4/6 = 4 2/3
Answer is 4 2/3 hours
24/8 will give you the average temperature change for each hour... 3 degrees per hour