Cost of lack increased by 30%
new cost of lack will be = 100% + 30% = 130%
We are given that new cost = £65
Thus 130% of original cost = 65
100% of original cost = 65 × 100/130 = £50
Thus original price was £50
Answer:
10
Step-by-step explanation:
Logarithmic function.very easy find method 10 log = 1 , 5 log 0.6989700034
Answer:
5
Step-by-step explanation:
Answer:
slope: 5/2
Step-by-step explanation:
