The price of a watch was increased by 20% to £162.
What was the price before the increase?
1 answer:
Answer:
The answer is 135
Step-by-step explanation:
We can use formula: 162...120% since the price was increased by 20% which means it is 120%
So: 162...120%
x.... 100%
120x = 16200 => x = 135
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Answer:
Table 1 = Proportional
y is 7 times x
Table 2 = Not proportional
Step-by-step explanation:
Find the amount of the discount and divide by the original price:
30-20 = 10
10/30 = 0. 333
Multiply by 100 for percent:
0.333 x 100 = 33.3333%
Round the answer as needed.
