Jose is training for a half-marathon. each
week he runs x miles per day for 5 days.
for 3 days of the week, he runs at a speed
of 8 minutes per mile. for 2 days he runs
7 -minute miles.  jose used the expression 4(3 × 8x) +4(2 × 7x) to represent the amount of time, in minutes, that he runs in 4 weeks. which part of jose's expression describes the amount of time he spends running on a given day? explain.