64 - Manthraksha....

d. If 5/6 of the time was spent on the highway, 1/6 was not. To find 1/6 of 12. hours, multiply the two numbers; hours. 80. c. To find the amount of time that it took the Grecos, divide the distance (8 ¾ ) by the rate (3 ½ ) . To divide mixed numbers, change them to improper fractions, then take the reciprocal of the second fraction and multiply; ................
................