The temperature changed steadily over the 6 hours, which means that it changed the same amount of degrees every hour. It changed -18 degrees in 6 hours. Divide the temperature change by the number of hours. -18 ÷ 6 = -3 The change in temperature per hour is -3°.
She can make up to 22 bags because you have to add 2.40 and 3.25 together to get 5.65 then divide by .25 to get 22.6 she can make a total of 22 with .6 left over
