First of all, subtract the amount the boots costed from the total price.
109.95-29.99
= 79.96
Now you have the price of the 4 sandals.
To find the price of 1 pair, divide this total by 4
79.96 / 4
= 19.99 $ for one pair of sandals!
Answer:

Step-by-step explanation:
Using the Quotient rule:

We can subtract the exponents of x and y:

Therefore, 
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"Table World" is quoting a better price
<u>Step-by-step explanation:</u>
The shop "Table World" is quoting a price of 140 inclusive of 17.5% VAT
that means 140 is the final price a customer needs to pay.
While other shop"Tables R us" is quoting a price of 120 without VAT
so we need to add VAT in the price to find out the final price
price+VAT on the price
=120+120*(17.5/100)
=120+120*0.175
=120+21
so final price =141
so comparatively "Table World" is quoting a better price
Answer:
It becomes 30
Step-by-step explanation:
When you double a number, it’s increases to two of itself .
So double of 15 means 15 x 2
= 30