Answer:
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Step-by-step explanation:
Given

per hour
Required
Determine the expression for the cost in x hours
Represent the cost with y
y is calculated using the following expression

Where x represent the number of hours.
Substitute values for the base amount of bike and the additional cost per hour


<em>So, the expression to determine the cost of bike in x hours is: </em>
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Answer:
I answered this wrong and don't have time to fix it now
Step-by-step explanation:
I will come back to it later. I can't delete this answer i'm sorry
2800 + 1.18x = y
x = monthly sales
y = monthly income
y needs to be at least 6400 so that means;
2800 + 1.18x ≥ 6400
1.18x ≥ 6400 - 2800
x ≥ (6400 -2800) / 1.18
x ≥ 3050
So she needs to earn at least 3050, which means <span>≥ 3050</span>
Answer:
240 percent
Step-by-step explanation:
The answer for that equation is A. 16.