(x+3)(x+2) can some one help with this one please (factoring trinomials)
1 answer:
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Answer: The speed when walking = 3.2 miles per hour
The speed when skateboarding=2(3.2)=6.4 miles per hour
Step-by-step explanation:
Let x be the walking speed then his speed on skateboard be 2x.
Time taken in skateboarding = 1:30-2:15= 45 minutes=3/4 hour
Distance traveled by skating is given by :-
Time taken for walking = 2:15-3:00=45 minutes=3/4 hour
Distance traveled by walking is given by :-
Distance between house and beach = 7.2 miles
Hence, The speed when walking = 3.2 miles per hour
The speed when skateboarding=2(3.2)=6.4 miles per hour