John is a quarterback. this year, he completed 350350350 passes, which is 70\%70%70, percent of all the passes he's attempted this year.
how many passes has john attempted this year?

Step-by-step explanation:

We know that John completed 350 passes which is 70% of all passes.

To know the total number of passes he did, we just need to use the rule of three. If 350 passes represents 70%, how many passes would represent 100%?

Therefore, John attempted 500 passes, from which he completed 350 that represents a 70%.