At a restaurant there are 10 different dipping sauces, 3 are fatfree. If you randomly chose 3 different sauces what is the proba
2 answers:
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Answer:
Train A - 50 miles per hour
train B - 30 miles per hour
Step-by-step explanation:
Let x mph be the speed of the train B, then the speed of the train A is (x+20) mph.
In 3 hours,
- train A travels 3(x+20) miles
- train B travels 3x miles
In total, they covered the distance of 240 miles, so