Question 983463
Hi there,
0.625 students had measles
0.5 students had chickenpox
Therefore;
0.625 + 0.5 = 1.125 students had both 
measles and chickenpox
1 + 0.125
125/1000 = 1/8
0.125 = 1/8
Fraction with both viral
diseases = 1 1/8 (One and one eighth)
Hope this helps:-)