Mark brainliest please
Answer is : Price before increase is £250
Explaination:
Let the Original price of a ring = x
Increase price( g) = 30%
New price(n) = £325
x = ( 100*n)/ (100+g)
x= (100*325)/(100+30)
x= (200*325)/130
x= 250
Therefore price before increase is £250
Another method:
Given that after 30% increases,
the cost of the ring is £325 so we can assume that 130% (100+30) is £325.
Now, we have to form an expression in term of x where x represents the original cost :
130/100*x=325
Solving x
x= 250
So the original price or price before the increase is £250
B...................................................................
A + d = 7......a = 7 - d
5a + 8d = 44
5(7 - d) + 8d = 44
35 - 5d + 8d = 44
-5d + 8d = 44 - 35
3d = 9
d = 9/3
d = 3
a + d = 7
a + 3 = 7
a = 7 - 3
a = 4
Harlan can purchase 4 pair of athletic socks (a) and 3 pair of dress socks (d)