Multiply the cost by 1.2 (120%) to add 20% tip, and then multiply by 0.85 (85%) to take off 15%
78.96 x 1.2 x 0.85 = 80.54
Answer:
£102.04
Step-by-step explanation:
£1250 - £1100 = £150
printer sold for £150
£150 = 147%
1% = 1.0204
100% = 102.0408
to 2dp = £102.04
Answer:
For the second image the answer is 1.2
Step-by-step explanation:
The others won’t load in ;-;
Answer: 
Step-by-step explanation:
We need to apply the following identity:
Then, applying this, you know that for 
:
We need to remember that:
and 
Therefore, we need to substitute these values into .
Then, you get:
Answer:
2.25
Step-by-step explanation:
-9/-4= 2.25
