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.
-w+4(w+3)=-12
-w+4w+12=-12
3w=-12-12
3w=-24
w=-8
HOPE I HELPED!!!
Answer: 0.8022 | This is your answer
Step-by-step explanation:
Well this question is a bit baud but I will try to answer my best.
To find the difference of any number you just need to subtract.
So a-b=c | c is your difference.
So in this problem 1-0.1978 would equal 0.8022
Answer:
the number is 27
Step-by-step explanation:
7 - 2 = 5
72 ÷ 3 = 24
24 ÷ 8 = 3
Decreased as getting more for less/same amount makes it so the worth of euro has went down
