Uni made a model of a 1970 Ford Mustang using a scale of .5 inches = 9 in. If the actual car is 15 ft long, how long is the mode
1 answer:
Answer:
The model car is 10 inches long
Step-by-step explanation:
To solve this question, we use conversion of units
Feet to inches.
Each feet has 12 inches.
The car is 15ft long.
So the car has 15*12 = 180 inches.
.5 inches = 9 in.
Rule of three
.5 inches - 9 inches
x inches - 180 inches
The model car is 10 inches long
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b)
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Step-by-step explanation:
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And we have $10 free of taxes.
Making x= number of tires to buy, then we have that the total cost of tires is:
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a) Then, according to the above, we can write down the total cost before the discount as:
b) And the total cost after discounts, is then given by:
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