17 because 100 - 55 = 45 14/45%= 31 31 times 55%= 17
Answer:
x=4, y=2
Step-by-step explanation:
2x - y = 6
x + y = 6
Add these together to eliminate y
2x - y = 6
x + y = 6
-----------------
3x = 12
Divide by 3
3x/3 = 12/3
x=4
But we still need y
x+y =6
4+y =6
Subtract 4 from each side
4+y-4 = 6-4
y=2
Answer:
it will take 28 hour which is 1 day 4 hour
Step-by-step explanation:
if they work together thats mean we have to add. we have to add 12+16 which is equal to 28 hour.....
hope ot helps
Answer:
20 years old
Step-by-step explanation:
Let us assume that the son's age is x.
Therefore,
2.5x = 55 - 5
2.5x = 50
x = 20 years old
hope this helps :)