In the morning, Jasmine biked to her grandma's house in 45 minutes. When she was biking back home in the evening it was foggy an
d she went 4 mph slower. The trip back took her 1 hour and 10 minutes. How far from her house does her grandmother live?
EXPLAIN YOUR THINKING!
1 answer:
Let x = speed and y = distance
y = x * 45
y = (x - 4) * 70
45x = 70x - 280
-25x = -280
x = 11.2
Put it back into the first equation:
y = 11.2 x 45
y = 504miles
Hope this helps! Any questions let me know :)
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