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pickupchik [31]
3 years ago
7

Rhett is solving the quadratic equation 0= x2 – 2x – 3 using the quadratic formula. Which shows the correct substitution of the

values a, b, and c into the quadratic formula

Mathematics
1 answer:
Otrada [13]3 years ago
7 0
(x)2 - 2x - 3 = 0

a = 1
b = -2
c = -3

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inysia [295]

Answer:

260 skirts and 270 blouses are left in the store after the sale.

Step-by-step explanation:

Let x be the number of skirts and y be the number of blouses.

An apparel shop sells skirts for $45 and blouses for $35

Cost of entire stock = $51,750

Thus, we can write the equation,

45x + 35y = 51750

Half the skirts and two-thirds of the blouses are sold for a total of $30,600.

Thus, we can write the equation,

45(\dfrac{x}{2}) + 35(\dfrac{2y}{3}) = 30600\\\\135x + 140y = 183600

Solving the two equations by elimination method, we have,

135x + 140y-(135x + 105y) = 183600 - 155250\\35y = 28350\\\\y = \dfrac{28350}{35}  =810\\\\x = \dfrac{51750-35(810)}{45} = 520

Thus, there were 520 skirts and 810 blouses in the store.

Skirt left =

520-\dfrac{520}{2} = 260

Blouses left =

810 - \dfrac{2}{3}\times 810 = 270

Thus, 260 skirts and 270 blouses are left in the store after the sale.

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Answer:

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