A study was being conducted about how much college students spend on the purchase of their textbooks.
1 answer:
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a) The speed of car was 60 mph.
b) The speed of car was 45 mph.
Step-by-step explanation:
Given,
a = actual skid marks
p = test skid marks
Formula;
a) a = 144 feet, p = 36 feet
Putting in formula;
The speed of car was 60 mph.
b) a = 153 feet, p = 68 feet
Putting in formula;
The speed of car was 45 mph.
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Answer:
The new area of garden is 3 times of the initial area of the garden.
Step-by-step explanation:
The initial length of the garden is 10 feet.
The shape of the garden must be a rectangle and the area of rectangle is
The initial area of the garden is
The new length of the garden is 30 feet. So, the new area of the garden is
Let area of garden is k times larger than the initial area.
Divide both sides by 10w.
Therefore new area of garden is 3 times of the initial area of the garden.