Option 1 : 20 + 1.25d
option 2 : 2.50d
when will they be equal......so set them equal to each other
20 + 1.25d = 2.50d
20 = 2.50d - 1.25d
20 = 1.25d
20 / 1.25 = d
16 = d.....so they will be equal at 16 dvd rentals
Answer:
O 16,30,34
Step-by-step explanation:
To confirm, use Pythagorean theorem to check.
(16)² + (30)² = (34)²
256 + 900 = 1156
=> It is correct
=> Therefore, this set of three lengths will form a right triangle
Answer: (13, -8)
Step-by-step explanation:
Subtract 5 from -3
Add 5 to 8
Hi!
Let's find out how much he has to pay for each of the deals.
Deal 1
£1.75 per mile.
192 x 1.75 = 336
£336
Deal 2
15% off of £680
![\frac{x}{680} \frac{15}{100}](https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B680%7D%20%5Cfrac%7B15%7D%7B100%7D%20%20)
680 x 15 = 10200
10200/100 = 102
680 - 102 = 578
£578
Deal 3
£90 per day - 1/10
90 x 7 = 630
1/10 of 630 = 63
630 - 63 = 567
£567
The cheapest deal would be Deal 1
Hope this helps! :)
-Peredhel