Answer:
6 round trip visits
Step-by-step explanation:
25 min drive to the store + 3 min to walk in the store + 3 min to walk back to car + 25 min to drive home = 56 total minutes for one round trip.
5 hours and 36 minutes = (5x60)+36 minutes=336 minutes
336 minutes/56 min per trip = 6 round trips
With linear equations, there are only three possibilities: There are zero solutions. There is one solution. There are infinitely many solutions.
From equation 2,
y = 10 + 5x/5 - equation 3
substituting equation 3 into equation 1,
21x + 7(10 + 5x/5) = 42
21x(5) + 7(10 + 5x) = 42(5)
105x + 70 + 35x = 210
140x = 210 - 70
140x = 140
x = 1
when x = 1,
y = 10 + 5(1)/5
= 15/5
= 3
Answer:
There are 54 granola bars left.
