You have to turn them into mixed numbers. 10/3 divided by 15/8. Now you have to multiply the first number by the reciprocal of the second. 10/3 times 8/15. The answer is 80/45 or 1 7/9.
I think Its C because in the frequency table or table given if the heads are counted there are 6 of them and over all 10 which will make 6/10
1.5 would be the answer I think
Move all terms to the left side and set equal to zero. then set each factor equal to zero .
x = - 6 - y
______
4 + r
