Answer:
average speed of hiker is 2.4 mph
Step-by-step explanation:
here is the solution : -
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average speed of hiker is 2.4 miles per hour
Let
Y be the age of Franco's dad.
X Franco's age
Y = 3*X (1)
(Y +10) = 2*(X+10) +2 (2)
(3*X +10) = 2*X +20 +2
(3-2)X = 22 -10
X = 12 years old (Franco)
Y = 3*12 = 36 years old (Franco's dad)
Answer:
Answer is on the pic
Step-by-step explanation:
I hope it's helpful!
Answer:
t test for one mean.
met
met
met
Step-by-step explanation: