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Action wheels Manufactures models of antique cars for    collectors. In August,it manufactured 300 model cars.In September, action wheels manufactured 5 %fewer models cars than in August.
Part A:-What is the difference in the numbers of cars manufactured in August and September?
Part B:-Of the model cars manufactured in September, 1/5 were models of NA SCAR cars and 1/3 were World War II vintage models.How many cars manufactured in September were neither NA SCAR model cars nor world war II vintage model cars.

Sagot :

5% = .05

.05 x 300 = 15

So part A that's 15 fewer cars.

285 x (1/5) = 57 NASCAR cars

285 x (1/3) = 95 WWII vintage cars

285 - (57 + 95) = 285 - 152 = 133

So part B that's 133 cars that are neither NASCAR or WWII

Answer:

The difference in the numbers of cars manufactured in August and September is 15 and  cars manufactured in September were neither NA SCAR model cars nor world war II vintage model cars are 133

Step-by-step explanation:

Cars manufactured in August = 300

In September, action wheels manufactured 5 %fewer models cars than in August.

So, cars manufactured in September = [tex]300-5\% \times  300[/tex]

                                                             = [tex]300-\frac{5}{100} \times  300[/tex]

                                                             = [tex]285[/tex]

Part A)The difference in the numbers of cars manufactured in August and September = 300-285 = 15

Part B)

Of the model cars manufactured in September, 1/5 were models of NA SCAR cars and 1/3 were World War II vintage models.

No. of NA SCAR cars = [tex]\frac{1}{5} \times 285 =57[/tex]

No. of World War II vintage models. cars = [tex]\frac{1}{3} \times 285 =95[/tex]

So, cars manufactured in September were neither NA SCAR model cars nor world war II vintage model cars = 285-(95+57) =133

Hence the difference in the numbers of cars manufactured in August and September is 15 and  cars manufactured in September were neither NA SCAR model cars nor world war II vintage model cars are 133

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