Answer:
Correct me if I'm wrong, but I'm pretty sure it is 7.
Step-by-step explanation:
because to find area you multiply length * width so 10 times 7 is 70?
Answer:
0.41666666666
Step-by-step explanation:
I used a calculator.
(50-(x*50))+(40-(y*40))+20= discounted with 2 coupons
110-(z*110)= the price with the total coupon.
I believe these are the correct answers
<h3>
Answer: 89,58 $ </h3>
Step-by-step explanation:
The formula :

where r is years ; N is the percentage by which we increase the price ; A is the original price
In our case :
Then the monthly salary is equal to:

4i = b
6(i-6) = b-6
6(i-6) = 4i - 6
6i - 36 = 4i - 6
2i - 36 = -6
2i = 30
i = 15 years old
b = 60 years old
Check:
15 * 4 = 60
9 * 6 = 54 :)