Okay, let's find out how much the tax was by finding out what 7% of $28 is, we do this by multiplying:

Convert 7% into a decimal, we do this by dividing it by 100 because percentages are parts of 100:

Multiply:

So this is the tax. Add it to the original price to get the total price:
Answer:
4 airplanes
Step-by-step explanation:
1 = 2/3
6 = x
cross multiply
x = 6 × 2/3
therefore x = 4
Answer:
x =2
Step-by-step explanation:
y = - 2 x + 4
0 = - 2 x + 4
x = 2
Recall the relation:
8 oz =1 cup
so,
1 oz = 18cup
Therefore,
16 oz = 168cup
= 2 cups
Hence, she should measure 2 cups to get 16 oz.
Answer:
see explanation
Step-by-step explanation:
Given
- (
)²
The negative is outside the bracket and is not squared, that is
= -
× 
= -
= - 
Given
=
= 