Answer:
a) x=7
b) x=4
c) x= 1/9
I hope this helps! Do you need more help?
Given,
CP of cosmetics = Rs 360 per dozen
SP of a pair of cosmetics = Rs 80
To find,
The gain percent
Solution,
1 dozen = 12 items
CP of 1 cosmetic = 360/12 = Rs 30
SP of 1 cosmetic = 80/2 = Rs 40
Profit = SP-CP
= Rs 40 - Rs 30
= Rs 10
Profit percentage is given by :

So, the profit percentage is 33.34%.
Answer:
20 minutes
Step-by-step explanation:
60/3=20
hope this helps :)
B, -3(-4)^2+(2)4(-4) plug into a calculator