Solve for a. ab+c=d a = b (c-d) Oa- (d-c) b oa=b+ с
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Answer:
Orginal Speed is 135
Step-by-step explanation:
The ratio of final speed: original speed is
We know that 90 km is it final speed so, we set up a proportion
40 garments need to be dry cleaned for the two companies to have the same cost.
<h3>Linear equation</h3>
Linear equation is in the form:
y = mx + b
where y, x are variables, m is the rate of change and b is the initial value of y.
Let f(x) represent the cost for dry cleaning at Company 1. Hence using the points:
- (5, 115.25) and (15, 155.75)
Let g(x) represent the cost for dry cleaning at Company 2. Hence using the points:
- (5, 45.25) and (15, 105.75)
For the cost to be the same:
4.05x + 95= 6.05x + 15
x = 40
40 garments need to be dry cleaned for the two companies to have the same cost.
Find out more on Linear equation at: brainly.com/question/14323743
Because .
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