Answer:
7,000,000,000
Step-by-step explanation:
7×10^9
The number after ten is how many zeros you put.
Step-by-step explanation:
<h3><u>QU</u><u>ESTION</u><u>:</u><u>-</u></h3>
<u>Fin</u>d 26th term of the A.P --15,-35,-55,-75...
<h3><u>Solu</u><u>tion</u><u>:</u><u>-</u></h3>
First term=a=-15
Common Difference=d=-20
We know that






Answer: 280
<u>Step-by-step explanation:</u>
Quantity X Cost = Money Received
Adult: x 3 3x
Children: 500-x 2 2(500 - x) = 1000 - 2x
Adult = Children + 400
3x = 1000 - 2x + 400
3x = 1400 - 2x
5x = 1400
x = 280
Answer:

Step-by-step explanation:
Substitute the second equation into the first one:

Substitute
into the second equation:


You have to take out the "|"
8x-1 ≤ 2x+11
8x-2x ≤ 11+1
6x ≤ 12
X ≤ 12/6
X ≤ 2