Kim wrote the number 11. use mental math to tell what number has ? ?

Step-by-step explanation:

more tens than will be number of tens added to the number where being any whole number and being any real number.

Let us consider the given situations one by one-

1. more tens than number will be:

2. more tens than number will be:

3. more tens than number will be:

hence the output are

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

the answer is a

step-by-step explanation: