Answer:
29/8
You had to multiply and solve making lowest common multiple
115/24
Step-by-step explanation:
first convert the mixed numbers to a whole fraction
then find the least common denominator which is 24
so 31 - 23 + 7 = 115/24
0.0009
0.025
you can divide 1/40 and should get 0.025
x = 11
