A 155 pound man burns about 500 calories per hour playing raquetball. one pound is equal to 3500 calories. how long will it take
1 answer:
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Answer:
x = ,
Step-by-step explanation:
First, isolate the absolute value:
5|2x - 7| = 20
divide both sides by 5:
|2x - 7| = 4
break into 2 equations:
2x - 7 = 4, 2x - 7 = -4
solve both equations and collect solutions:
2x = 11, 2x = 3
x = ,