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likoan [24]
3 years ago
9

pleaseeeeeeee HELPPPPPPPPPPPp In a parking lot, 25% of the cars are SUVs, and 40% are pickup trucks. The rest of the cars are se

dans. There are 21 sedans. How many cars are in the parking lot?
Mathematics
2 answers:
Arisa [49]3 years ago
8 0

Answer:

60 cars

Step-by-step explanation:

In order to find how many total cars are in the parking lot, you must use a ratio. This is what you know:

25% = SUVs

40% = pickups

X% = cars

100% - (25% + 40%) = 35%. Thus, the remaining 35% of the cars are sedans. Now, we use a ratio to find the TOTAL number vehicles. See below:

X/65% * 21/35% = 35x = (21x65) = 1,365 (Hint: remember cross-multiplying??)

35x = 1,365

x = 1,365/35

x = 60 total cars

Sanity check:

25% of 60 = 15 SUVs

40% of 60 = 24 pickups

35% of 60 = 21 sedans

TOTAL: 60 cars

Brilliant_brown [7]3 years ago
5 0

Answer:

60

Step-by-step explanation:

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f(x)=2x^3+ax^2-37x-60

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