Answer:
85751
Step-by-step explanation:
81924
+ 3827
_______
85751
- Start from the right side, 4 + 7 = 11, but the 1 is carried over
- 2 + 2 + 1 = 5
- 9 + 8 = 17, but the 1 is carried over
- 1 + 3 + 1 = 5
- 8 + 0 = 8
Thus, the answer becomes 85751.
Answer:
1) -95.
2) 15.
3) The conference center is on floor 5.
Step-by-step explanation:
1) Evaluating gives 
2) Substituting gives 
3) After going 4 floors down, we are on level -4. After going 9 floors up to the desired room, we are on level -4+9=5. So the conference center is on floor 5.
2.5 pounds of apples * $1.20 = $3
He spent total $4.50
So he had to have spent 1.50 on oranges.
So $1.50=$1.20 x where x will be the pound of oranges bought.
1.50/1.20 = 1.25 or 1 1/4 pounds of oranges.
6000=2560(1+0.052)^t
Solve for t
t=log(6,000÷2,560)÷log(1+0.052)
t=16.8 years
Alex = 6x
Peter = x
6x = x + 50
5x = 50
x = 10
Alex = £60
Peter = £10
together = £70