Answer:
£78.4
Step-by-step explanation:
Since he earns £9.80 per hour, we multiply this by how many hours there are. So £9.80 times 8 is £78.4. I hope this helps!
√(2x+4)=16 square both sides
2x+4=256 subtract 4 from both sides
2x=252 divide both sides by 2
x=126
Answer:r>4
Step-by-step explanation: You just subtract four from both sides
Answer:
30
Step-by-step explanation:
Answer:
a. 135 doorknobs
b. 
Step-by-step explanation:
The price-demand function is:

a. At a price of $36.30, the number of doorknobs sold, 'x' is:

Rounding it down to the nearest whole unit, the company can sell 135 doorknobs at $36.30
b. Revenue is the product of the price, p(x), by the demand, x. Therefore, the Revenue function is:
