Find least common multiple of 9 and 12
1 answer:
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Answer:
40 ft²
Step-by-step explanation:
Divide the figure into 2 rectangles and find their areas.
The area of the smaller rectangle
= 3 × 4
= 12 ft²
The area of the larger rectangle
= (8-4) × 7
= 28 ft²
The area of the figure
= 12 + 28
= <u>40 ft²</u>
Let's denote s as the speed limit. To find the total time it takes for Jack to drive given the speed, we just divide the total number of miles he covered (10 miles) by the speed he's traveling at.
Accounting for the given of the problem, we'll have the following equation:
(from the fact that the difference between the time it takes to drive five miles below the speed limit versus 15 miles below is 2 mins or 
hours.)
Since we only have one unknown variable, we can freely solve for s:
(we ignore the negative value since there is no negative <u>speed</u>.)
ANSWER: The speed limit of the freeway is 65 mph.
Accounting for the given of the problem, we'll have the following equation:
Since we only have one unknown variable, we can freely solve for s:
ANSWER: The speed limit of the freeway is 65 mph.