Answer:
R = 33.35%
Step-by-step explanation:
that is the solution above
Answer:
A
Step-by-step explanation:
because A is the correct anwer
Answer:
660 mm
Step-by-step explanation:
we know that
The scale factor is 
That means
1 unit in the model represent 15 units in the actual
or
1 m in the model represent 15 m in the actual
To find out the height of the model rocket, divide the height of the actual rocket by 15
so

Convert m to mm
Remember that

To convert meters to millimeters, multiply by 1,000
so
Discounted by 25% means he paid 75% of the original price:
80 x 0.75 = $60
Now multiply the sale price by 1 + tax rate:
60 x 1.05 = 63
He paid $63 total.