The number of pairs of integers a and b with a<b and a+b<100 satisfying the equation \frac{a}{4}+\frac{b}{10}=7 is
Answer Choices
A. 10
B. 19
C. 9
D. 20
E. 15
The number of pairs of integers a and b with a<b and a+b<100 satisfying the equation \frac{a}{4}+\frac{b}{10}=7 is
Answer Choices
A. 10
B. 19
C. 9
D. 20
E. 15