169 r 86 would be the correct answer bc all u had to do was divide 56,794 by 338 and see what the forst few numbers were then multiply what u got which would have been 169 if u did it right and multiply that by 338 and 169X338=57,122 then u subtract that and u will get 86 so the correct answer would be 169 r 86!
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b. 150 miles driven in 2.5 hours/c.30 miles driven in 30 min.
3r - 8 = 7 + 8r (make rs on 1 side, numbers on other)
5r = -15(divide by 5 now)
r = -3 (<---Answer)
Hope this helped!
0.4473 mph
0.7200 kmh
0.2000 meters/sec
39.3700 feet/minute