A school libary has 260 dvds in its collection. Given that 45% of the dvdas are science and 40% are about history. How many of the dvds are about other subjects?

There are 39 dvds of other subjects

Step-by-step explanation:

science= 45% of 260

OR

100 - (45+40)= 100- 85 = 15%

Other subjects = 15% of 260

yes. we do proportions in probabilities.

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72