Suppose each license plate in a certain state has four letters followed by two digits. The letters I, O, Q, and U and the digits 0,1 ,2 , and 3 are not used. So, there are 22letters and 6 digits that are used. Assume that the letters and digits can be repeated. How many license plates can be generated using this format?

Step-by-step explanation:

The license plate is in the form of DD, where L- letter, D- digit

Each letter can get 22 values and each digit can get 6 values.

Total combinations are:

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950