John is a quarterback. this year, he completed 35 passes, which is 70% percent of all the passes he's attempted this year. how many passes has john attempted this year?

If you would like to know how many passes has John attempted this year, you can calculate this using the following steps:

70% of x passes = 35 passes
70% * x = 35
70/100 * x = 35     /*100/70
x = 35 * 100/70 = 35 * 10/7
x = 50 passes

Result: John has attempted this year 50 passes.