I believe the answer is 5/4
Sorry if I’m wrong ;(
Answer: 6.56hours.
Step-by-step explanation:
Given;
Mario and julio can wash 7 cars in 2hours
While only mario can wash 5 cars in 3hours
Let m represent the rate at which mario work
j represent the rate at which julio work
t represent the rate at which mario and jolio combined work.
t = m + j
j = t -m .......1
t = 7 cars per 2hours = 7/2 = 3.5cars/hour
m = 5 cars per 3hours = 5/3 = 1.67cars/hour
From eqn 1
j = t -m = 3.5 - 1.67 = 1.83cars/hour
So, to determine the number of time it will take julio to detail 12 cars
Where = number of cars detailed
N = rate × time = j × time
time = N/j
time = 12/1.83
time = 6.56 hours
Therefore, it will take julio to detail 12 cars is 6.56 hours.
Answer:
y - 2 = 2(x - 3).
Step-by-step explanation:
The point -slope form of a line is:
y - y1 = m(x - x1) where m = the slope and (x1, y1) is a point on the line.
Here m = 2, x1 = 3 and y1 = 2. So we have the equation:
y - 2 = 2(x - 3).
X=27
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