I hope this helps you
y= -15 x= -20
y=12 x=?
?.-15=12.-20
?=12.20/15
?=16
x=16
Answer:
1926cm²
Step-by-step explanation:
Given
Dimension = 21cm by 18cn by 15cm
<em>The illustration in this question is to determine the surface area of the fabric and this is calculated using the surface area of a cuboid as follows:</em>
<em></em>

Where L, B and H are the dimensions.
So,





<em>Hence, 1926 cm² of fabrics are needed to cover all surfaces.</em>
A) 8/40 = 1/5
b) 12/40 or 6/20
c) 26/40 or 13/20
Answer:
a and d
Step-by-step explanation:
Regular Pirce = $80.
Discount = 20%
Discount = 20% x $80 = 0.2 x 80 = $16
Sale Price = 80 - 16 = $64
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Answer: The Sale Price is $64.
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