Lydias hotel room number has three digits. The hundreds digit has a value of 40 Tens. The Tens digit is greater than 6. Which could be Lydias hotel room number?

Any 3 digit number can be expressed in the form of:

Where represent any natural number from 0 to 9.

We are told the hundreds number (this means in the expression above) is equal to the value of 40 tens, 40 tens is 400. Then, we know the digit in the tens is greater then 6, this means in the expression above.

So, there are multiple numbers the room number could be, namely:

where can be 7, 8, or 9; and can be  0, 1, 2, 3, 4, 5, 6, 7, 8, or 9. So, there's 30 possible room numbers Lydia may be.

idk

step-by-step explanation:

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2