"The petrol consumption of your boat is 15 litres per 100kms. Let d be the distance you travel in kilometres and p the price of petrol in rand per litre. Anexpression for the number of litres of petrol you need to travel d kilometres is"
I think the answer will be
<span>
P=15*(100d)</span>
Answer: 31.792.5 cu. ft. (<u>choice B</u>)
=================================================
Work Shown:
The result is approximate since 
is approximate.
Answer:
60 degrees.
Step-by-step explanation:
Answer:
x = 1
y = - 1
Step-by-step explanation:
-8x - 3y = -5
-2x + 7y = -9 | × (-4)
-8x - 3y = - 5
8x - 28y = 36 +
________________
- 8x + 8x - 3y - 28y = - 5 + 36
- 31y = 31
31y = - 31
y = - 1
- 8x - 3(-1) = - 5
- 8x + 3 = - 5
- 8x = - 8
8x = 8
x = 1
