Salvador wrote 15 letters to friends each month for p months in a row. Write an expression to show how many total letters Salvador wrote

15p

Step-by-step explanation:

Let's interpret the question bit by bit

Salvador wrote 15 letters to friends each month

=> 15 letters = 1 month

For p months in a row

let the total number of letters for p months be x

=> x letters = p months

Bringing the two statements together gives;

15 letters = 1 month

x letters = p months

Now, let's solve for x by cross-multiplying the above

x letters * 1 month = 15 letters * p months

x =

x = 15p letters

Therefore, Salvador wrote a total of 15p letters for the p months.

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step-by-step explanation: