2040 = n/2(20+(n-1)4)
4080 = n(20+4n-4)
4080= 20n +4n^2 -4n
1020 = 4n + n^2
n^2 +4n -1020 =0
use common formula (can't write out so just look at answers. sorry)
which gives answers of n=-34 and n=30. since n can only be positive, n=30 so there are 30 rows. I liked that challenge
I think that £3250/month is better because why would you want to spend £4000 when you can spend £3250.
Answer:
54 ft^2
Step-by-step explanation:
Bathroom area is 15 ft^2
The kitchen is twice the bathroom
2*15 = 30 ft^2
Kitchen: 30 ft^2
Front door: 9ft^2
The total is all the areas added together
Total = bathroom + kitchen + front door
= 15 ft^2 + 30 ft^2 + 9 ft^2
= 54 ft^2
Answer:
Step-by-step explanation:10
Hey!
1 car is $3.83.
3 cars is $3.83 × 3
3.83 × 3 = 11.49
Shipping fee is $4.55. Add that to the price of the 3 cars
11.49 + 4.55 = 16.04
The girls share the cost equally. Divide by 2
16.04 ÷ 2 = 8.02
