During the summer, a river's height decreases by 0.05 inch every day. What is the change in the river's height after 20 days?

it decreases by 1 inch total

Step-by-step explanation:

if it decreases by .05 inches per day for 20 day, then that would be .5 times 20, which equals 1, so in total, the river decreased 1 inch

12/11c

or

12

c

11

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b